"The best book-length treatment of Heidegger with which I am familiar. . . . What Guignon does, very skillfully, is to use the problem of knowledge as a focus for organizing a discussion of Heidegger’s thought in its entirety. . . . Places him squarely within the philosophical tradition he struggled to overcome and provides an account of his development from Being and Time to the last writings, which make the changes in his thought continuous and intelligible." --Harrison Hall, Inquiry
The most important book on Heidegger I've ever read. I've read it approximately 4 times and have purchased it twice (the first was too marked up). This book is highly recommended.
Absolute fantastic book to get a better grounding of the project that Heidegger was trying to make in Being and Time. Guignon takes the time to build up what influences Heidegger had in his philosophical development and how it related to Heidegger producing BT. Guignon's writing is written so well that it flows, which I must say when writing about BT/Heidegger the Heideggerian jargon can become a bit tiresome.
Charles Guignon does mention that his inspiration and key motivator for the study of Heidegger was Hubert Dreyfus (read his Being-in-the-world, another great Heidegger book!), which is shows. I will say it does read much like any analytic philosophy article/book, which is what I much prefer when reading philosophy than the often neologist filled continental philosophy books.
I have plenty more to say about this book, maybe with another read through I'll have a more detailed "review".