If you can find one, this book covers Ilfochrome printing. (originally Cibachrome), but doesn’t cover E6 film developing.

Complete Guide to Cibachrome Printing (HP photobooks)

ISBN 10: 0895861763
ISBN 13: 9780895861764
Authors: Peter Krause - Henry Shull

http://www.amazon.com/Complete-Guide.../dp/0871650576