Php|architect's Guide to Programming with Zend Framework - Evans, Cal

Zend Framework 1 to 2 Migration Guide: a php[architect] guide

Beginning Zend Framework by Padilla, Armando

Zend Framework 3. Developer's Guide Paperback Adam Omelak

Zend PHP 5 Certification Study Guide: a php[architect] guide - Shafik, Davey

Zend Framework 3. Developer's Guide,Adam Omelak

Zend Framework, A Beginner's Guide By Vikram Vaswani