The New Clay by Nan Roche
I found this book very informative with all kinds of wonderful pictures. Gives background information and safety as well as how to work with polymer clay.

Polymer Clay For Everyone by Suzann Thompson
This book shows how versatile polymer clay can be. Has some great ideas and projects for every one to try.

Creative Clay Jewelry – Designs To Make From Polymer Clay by Leslie Dierks
Has a lot of projects for inspiration and very good instructions.

Creative Stamping In Polymer Clay – 24 Unique Projects by Barbara McGuire
There is a wonderful section of reference charts of art materials that can be used with polymer clay and of techniques. The projects have step by step instructions that are easy to follow.

Making Polymer Clay Jewellery by Sue Heaser
This book is full of wonderful projects to help get the creative juices flowing.

The Polymer Clay Techniques Book by Sue Heaser
This book has over 50 techniques for creating with polymer clay. This is one book that I keep going back to for information and inspiration.

Fast Polymer Clay by Sue Heaser

This book as techniques and projects for those of us in a hurry.  Sue Heaser covers a lot of techniques and projects.  All of the projects have the amount of time that they should take to complete.

Faux Surfaces in Polymer Clay by Irene Semanchuk Dean

This is a wonderful book that covers many techniques that imitate gemstones, metals, natural materials, rocks and stones and other decorations.  It has wonderful pictures and easy to follow instructions.  I have used the techniques many times with great success.

Making Miniature Flowers with Polymer Clay by Barbara Quest

Very nice book with a lot of information.  Nice pictures of all the steps, so you really don’t have to spend the time reading the descriptions in the middle of making a small rose or daffodil.  There are also nice project ideas at the end of the book.

Polymer Clay Jewerly by Debbie Jackson

This book is fully of wonderful pictures and step by step instructions on projects and techniques.  The author has also included many helpful tips.

Polymer Clay Exploring New Techniques and New Materials by Georgia Sargeant and Celie Fago with Livia McRee

This book has great tips listed through out.  It also has a whole section on precious metal clay. 

Creating Life-Like Animals in Polymer Clay by Katherine Dewey

 This book is full of wonderful pictures and step by step instructions.  It covewrs everything from the basic of polymer clay to sculpting clay into wonderful animals.