Rating: 
Summary: As usual, a great book from O'Reilly.
Review: An excellent reference for Tcl, Tk, the C interfaces, Expect, [IncrTcl/Tk], Tix, TclX, BLT, OraTcl, SybTcl, & TclOdbc. Sure it doesn't cover everything that everyone will use, but that's not really possible.My only real complaint has to do with the books formatting. For most commands, the formatting is fine, but for commands with subcommands (such as string), the subcommands are unnecessarily hard to read. With that one exception, this is my favorite Tcl Book.
Rating:
Summary: As usual, a great book from O'Reilly.
Review: An excellent reference for Tcl, Tk, the C interfaces, Expect, [IncrTcl/Tk], Tix, TclX, BLT, OraTcl, SybTcl, & TclOdbc. Sure it doesn't cover everything that everyone will use, but that's not really possible. My only real complaint has to do with the books formatting. For most commands, the formatting is fine, but for commands with subcommands (such as string), the subcommands are unnecessarily hard to read. With that one exception, this is my favorite Tcl Book.
Rating: 
Summary: Good reference, but don't expect anything else.
Review: As a reference goes, this is pretty good. I've noticed a certain hit or miss aspect of the O'Reilly Nutshell series. This one is more of a hit for me personally. Still, I'm already bumping into things I wish this book covered. stooop, for one thing. There isn't much here that you won't find in the online documentation, but it can be very nice to have a paper copy. Basically, this book was what I was expecting it to be. Nothing more, nothing less.
Rating: 
Summary: This is not a Tcl book
Review: I bought this book thinking I would get a good primer/reference book on Tcl. It might be useful for reference, but is almost useless for people new to the language. Out of 440 pages, only 46 are for Tcl and mostly it's a just a brief summary of commands. Think of trying to learn English using only a dictionary. This book is like that dictionary. Also, there are almost no examples on how to use any of the commands.
Rating:
Summary: I thought I could count on O'Reilly
Review: I usually find O'Reilly books excellent but this one is a disppointment. You could print out the Tcl manual pages and get as much information. Examples are few and meager. There should at least be a brief primer, with examples, to get the reader accustomed to the Tcl way of doing things. There's a tips and hints chapter at the end that's good, but it's all too short.
Rating: 
Summary: The worst programming book I ever bought
Review: If it was possible to give this book 0 stars I certainly would have. As others have said before, this is just a bad book.
Rating:
Summary: Good reference, not so good for beginners
Review: If you need some hand-holding and are just getting started with TCL then this book is not for you. Tcl/TK in a nutshell is exactly what the title says, a desktop quick reference.
Don't expect many examples or explanations. Compared to Perl / C style languages TCL is a little weird to look at and takes some getting used to. And it's easy to get tripped up if you aren't already experienced with the language. A lot of the material in the book doesn't go any deeper than the TCL man pages. So beginners, get a different book / tutorial to learn the language. If you are proficient in TCL than this book would make a great reference, but as a beginner (to TCL, not to programming) a lot of times I had to supplement what the book gave by searching the web for examples to making things clearer. But it is definitely useful for looking up rarely used / obscure commands that you may have forgotten. Even though the book lacks a lot of examples and hand holding it is very comprehensive and covers a lot of material.
Rating:
Summary: Disorganized, incomplete, and unfriendly
Review: The book has lots of information but one has to go through lots to loops to get to where the information should be and then it may not be there. E.g., the index has no mention of the 'wm' command--one that I often encounter. E.g., another book implies that there is a canvas command 'delete all'. After I finally got to page 61, I found the 'delete' command but NOT any hint that one can use the 'all' command to delete all the objects on the canvas. Another example, even though the book purports to cover TK--the visual side of the language--I find just one chart, . Needless to say, there are very few examples.
Rating:
Summary: What about Jacl?
Review: The guys at O'Reilly have come up with a fairly decent reference for TCL/Tk. It covers a lot of info about the script (core language, various interfaces, and Expect). But, they forgot the most important interface of all: Jacl - the Java interface for TCL. I use this part of the lanuage all of the time. Java is so popular, I don't understand how they could miss such an important feature. It is still a good book, but only 3 stars this time. Maybe they will get it right in the next edition.
Rating:
Summary: Bad book
Review: The only book that has disappointed me of this editorial. Do you imagine to learn English with a dictionary?, like it was said previously.
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