There are a number of high quality books currently published or under development for CouchDB.
Beginning CouchDB. December 2009, Apress, by Joe Lennon
CouchDB: The Definitive Guide. January 2010, O'Reilly Media, by J Chris Anderson, Jan Lehnardt & Noah Slater
- Writing and Querying MapReduce Views in CouchDB. January 2011, O'Reilly Media, by Bradley Holt.
- Scaling CouchDB. March 2011, O'Reilly Media, by Bradley Holt.
Getting Started with GEO, CouchDB, and Node.js. July 2011, O'Reilly media, by Mick Thompson.
CouchDB: Das Praxisbuch für Entwickler und Administratoren (German). September 2011, Galileo Computing, by Till Klampäckel and Andreas Wenk
(please get in touch with firstname.lastname@example.org)
- Getting Started with CouchDB. January 2012, O'Reilly Media, by MC Brown.
CouchDB mit PHP (german). May 2012 entwickler.press, by Oliver Kurowski
CouchDB and PHP Web Development Beginner’s Guide. June 2012, Packt, by Tim Juravich.