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What our customer's say!

"LINQ in Action rocks", I was pleased with overall quality of this book. By and large this is the most comprehensive LINQ book currently available on the market. The writing style is easy to follow and the material is presented in logical manner. I rate it four instead of five because it follows a trend very common to books written by multiple authors - uneven quality of writing. LINQ to Objects for example is pure please to read, but I wish LINQ to SQL was covered better. Overall this is a solid book and I'd recommed it to any working developer.

"A required desktop reference", I think the expression is "don't cry over spilled milk...", well when my son spilled milk on this book I almost cried. Why would you cry over a book you ask? There are many reasons. Not only does the book go into LINQ in depth (I know there is a C# in Depth book) but the authors cover all of the parts of the .NET framework that were created and needed for LINQ to function. In addition, all of the samples provided are both in C# and VB.NET. These samples are not your basic "Hello World" samples but useful reusable code snippets that get the point of the book section across.

The book starts of with an introduction to LINQ and the different versions of LINQ to xxx, more than enough to wet your whistle. The authors then go into the prerequisites of the .NET framework required, generics, anonymous types and lambda expressions. This chapter was so good I read it twice. The third chapter discusses how LINQ is made up. After this, the authors go in depth in describing the different types of LINQ, including LINQ to SQL, LINQ to Objects and LINQ to Amazon with useful examples.

This book will be a reference book on my book shelf. I expect to refer to this book constantly.


"Stutters onthe most important area", Most of the reviewers have given high marks for this book. No issue with that, as long as the first six chapters of this book are concerned. It gives the best intrduction on subjects such as lambda expression and various Linq syntaxes. But the most important chapters should have been those dealing with Linq in N-tier architecture - chapters 7 and 8. But those were written in such a confusing manner that, at the end of those two chapters, you are left wondering why you spent money and time on this book. It is a pitty that almost all internet articles, including those on MSDN, deal with Linq as if it is an add-on to Microsoft Access programming and show pages and pages of "drag-and-drop and voila it works great!!" approach. I don't think anyone could write a successfull n-tier Linq code with that approach. Although this book goes little further than the drag-and-drop gimmic, it could have avoided so much fluff and concentrated just on what is needed for a real world n-tier programming using Linq. But unfortunately I don't know whether there is any better book treating Linq as a serious enterprise development tool.

"Great detail. Well organized and thorough.", This was one of the best technical books I've ever read. It was easy to follow and understand. The examples were very clear and the section on the new features of VB and C# were wonderful and needed in order to understand the rest of the book.

I was slightly disappointed that most of the examples in the book were printed in C# instead of VB. BUT, I downloaded all the example projects and utilities and those are excellent! ALL of the examples are available in C# and VB. They are correct and a great on-the-go blueprint for my routines.

It was also very nice that they talk about (in easy-to-understand terms) the performance implications of different implementations.

The cover is a bit dorky, but you shouldn't judge a book by its cover!

A great buy for the novice LINQ programmer.


"Great Tutorial on LINQ", The book covers a lot of topics that emcompass LINQ including LINQ basics, but also LINQ to SQL, LINQ to XML. I like that it starts out with a discussion of the problem and doesn't dive directly into the solution. In addition, I think it teaches the technology without resorting to starting with database applications as the example. Anyone who has heard me talk about LINQ knows that I can't stand that LINQ to SQL is the wrong way to teach it to new people...they didn't fall into that trap.

In addition, I really like that there are lots of good examples and a great index. There was never an example I was looking for that the index didn't help me find. That's becoming rarer in books. I really liked their coverage of LINQ from both the consumer of LINQ and the provider of LINQ. Their discussion of the LINQ to Amazon provider provided quite a lot of good insight into how the inner workings of LINQ are put together.

My only hesitation at completely loving this book is that all the examples are either in C# or VB. This lends the book to feel a bit schizophrenic. I would have preferred a more bloated book where all the example in print were in both languages. This is especially true of LINQ because the language integration of LINQ is very dissimilar between the languages.

Overall, I would recommend the book to anyone trying to learn LINQ as a technology.

Read this reviews before You buy...

"Highly Recommended", I read a lot of tech books and only write reviews on the ones I really think offer value. This is one of them. If you want to learn LINQ from some guys that know their stuff, this is the book for you. It's very readable with great code examples..VB coverage is much appreciated by me! I've also looked at some of the other LINQ books. This is the only one I took the time to read cover to cover. Very easy to read with great coverage of the topic. Highly recommended.

Mark Dunn, MCT, MCAD, MCDBA, MCSD.NET
Microsoft MVP, Visual Basic
Microsoft Regional Director
President, DUNN Training and Consulting, Inc.


"A great book from start to finish", I've read every LINQ book that i"ve come across and on the whole, they are all really good. As a subject area, the coverage is amazingly well done. This book is a natural fit b/c in every important respect, it's excellent.

First off, it's easy to read. Learning the basic mechanics of LINQ isn't all that difficult. Learning advanced LINQ mechanics is still pretty straightforward. However understanding why certain approaches should be used over other ones, understanding potential pitfalls (getting something back you weren't expecting) and ensuring your code performs well after you get back more than a few records, well, that takes some effort. I think this book helps you accomplish each of those in a manner that's very clear and very straightforward. [As a stylistic note, I think really understanding Lamda expressions, which admittedly aren't a linq feature per se, is challenging at first. This book did not shy away from them and went at them head one. B/c learning them isn't a linear process (at least it wasn't for me or anyone i know), you often make no real progress, then have a moment of understanding that gets you to the next level. That type of learning is best facilitated by seeing several examples - seeing several ways to accomplish something and then reverse engineering the differences. The extensive number of examples really makes that process a lot simpler].

Another really strong point is the examples themselves. In the LINQ to XML coverage, there's an example of how to create a RSS feed from a collection with one linq query. It's beauty is its elegance and b/c most developers have given writing RSS a try, it's a great juxtaposition to show how powerful and useful LINQ can be. That example isn't alone though - there are several others that extend beyond the cliche'd Hello World samples that leave people wanting for more.

The coverage of each topic is superb as well. At no point did I finish a chapter with unanswered questions in mind. Often, authors will make an assertion "you should do it this way b/c otherwise you'll open up security vulnerabilities" or whatever without explaining what the downside is that they are talking about. I know it's a seemingly unimportant thing, but I found that they always explained the points they make, even the minor ones. It's a typical example of the attention to detail the authors put into this book.

Having co-authored several books, I know how hard it is to write a book with a unified writing style. The editing for this book is done in such a way though that it looks like one author wrote it. Yes, there are some differences in their individual writing styles, but it's all close enough that it really does feel as though one person wrote it. That is a huge plus and again, it's just one of those small things they do that shows a serious attention to detail.

So it's easy to read, they cover everything really well, they selected great examples and explain them well and they start out with general coverage and move onto very detailed coverage - making it ideal for both a LINQ newcommer or a seasoned vet.

It's a great book and IMHO, the authors are to be commended for putting it together. Although I've found all of the LINQ books I've come across to be very good - this one made an impression and it's excellent from start to finish.

"Good and complete book", A good book, very complete and full of infos. All topics are well and deeply explained. I give only 4 stars for two main reasons
1. I don't like the writing style. It is too friendly, I prefer a formal and clean one.
2. Some explanation is 'obscure' and needs to be rewritten, for example the SelectWith extension method.
Anyway it really worths to have a copy on your desk.

"Excellent Linq Book", I am a newbie both in visual basic and Linq, and I have to say that this book is really great. It provides a LOT of understandable explanations, that are so useful for who's not a guru already.

There are tons of examples, plus quite a lot online resources that can be extremely useful.

Great book, probably one of the best on LINQ subject, and it's definitely worth the price

"Clear and cogent instruction on a central technology", Linq in Action is a clear and deep presentation of a technology that, even in its first incarnation, is increasing the productivity of programmers, and setting an even higher standard for dynamic websites and programs. The authors, who were instrumental in the development of Linq, proceed in an intuitive path from the basics of the technology, all the way to very sophisticated ideas and examples. The authors also participate online to answer questions and add even more material for an even more through presentation. I recommend this book for any developer or aspiring developer.

Paolo