INTRO BIOSTATISTICS PROFESSORS: I implore you, MAKE THIS THE REQUIRED TEXTBOOK FOR YOUR CLASS. I was deeply unimpressed with my biostatistics professor this semester, but am sure that no matter how good a professor you are, this book can still make your class even better for your students. I found myself thinking that, even if I had gained next to nothing from the lectures, I had at least gotten a fantastic textbook out of the class.
This textbook is both wonderfully informative and - something that has been said by very few people not destined to graduate with a degree in biostatistics, I'd wager - actually enthralling. Over and over, I was excited to see what the results of the examples were, ended up doing unnecessary practice questions just to see what they found out. (The consistency with which every single data set and experiment mentioned in the book is interesting is boggling.)
And the book makes sense! The book is very well-written and well-worded, with highly understandable explanations (and a sense of humor to ease frustration). Additionally, the math is accessible and understandable, even for those (like myself) who remember nearly nothing of calculus and have very poor mathematical intuition. For those more interested in the mathematical underpinnings, however, the book doesn't shy away from the proofs and functions - even when it admits that, at this point, tests are going to be completely computerized anyway.
I came into statistics knowing nothing but a general feeling of unease and frustration. Thanks mostly to this textbook, statistics seems actively *exciting* to me, and makes a lot of sense. I highly recommend it, for all levels of interest and skill.