Ableton are giving away the digital edition of their 2015 book 74 Creative Strategies for Electronic Music Producers for free.
This book is a collection of solutions to common roadblocks in the creative process, with a specific emphasis on solving musical problems, making progress, and (most importantly) finishing what you start.
The book is an excellent read for those interested in composing music and music production. You can find links to .pdf, .mobi and .epub editions on the Ableton site.