PHP book recommendations>

I'm looking for an easy to read PHP book that will help me learn a solid foundation in PHP. I'm already familiar with the language but want to make sure I'm coding in the most efficient manner. What's a few of the better books out there? HTC Disclaimer: The information contained in this message may be privileged and confidential and protected from disclosure. If the reader of this message is not the intended recipient, or an employee or agent responsible for delivering this message to the intended recipient, you are hereby notified that any dissemination, distribution or copying of this communication is strictly prohibited. If you have received this communication in error, please notify us immediately by replying to the message and deleting it from your computer. Thank you.