200 Crochet Tips, Techniques & Trade Secrets - Jan Eaton
200 Crochet Blocks for Blankets, Throws, and Afghans - Jan Eaton
Beyond the Square Crochet Motifs - Edie Eckman
The Crochet Stitch Bible - Betty Barnden
Super Finishing Techniques for Crocheters - Betty Barnden
201 Crochet Motifs, Blocks, Projects & Ideas - Melody Griffiths
The following designers are the top in the crochet field. they are all worth a look on the internet and I highly recommend their books.
Ana Paula Rimoli
These companies also offer great products and wide selections.