by Mark Vail
Vintage Synthesizers is the definitive synthesizer knowledge book. It lays out nearly every aspect of the history and design of synthesizers in a well organized, easy to follow format.
Sound Synthesis and Sampling
by Martin Russ
Sound Synthesis and Sampling is a comprehensive guide to the various forms of sound synthesis. It provides a solid foundation in all principles related to sound design and synthesizer programming.
by Curtis Roads
This book is an excellent resource for those looking to create music with granular synthesis. While on the avant-garde side of composition, this book is deep and thoroughly modern in approach.
Composing Interactive Music
by Todd Winkler
Perhaps the ultimate book written about Max/MSP, Composing Interactive Music not only discusses the fundamentals of Max but ties these in with interactive music in general.