If you are a web developers I want to suggest you jQuery Enlightenment a very interesting book wrote by Cody Lindley that illustrates in a simple way and with practical examples how to access to jQuery concepts for intermediate and advanced audience. jQuery Enlightenment was written to express, in short-order, the concepts essential to intermediate and advanced jQuery development. Its purpose is to instill in you, the reader, practices that jQuery developers take as common knowledge. Each chapter contains concepts essential to becoming a seasoned jQuery developer.

About the Author – Cody Lindley is a Christian, husband, son, father, brother, outdoor enthusiast, and client-side engineer. Since 1997 he has been passionate about HTML, CSS, JavaScript, Flash, Interaction Design, Interface Design, and HCI. He is most well known in the jQuery community for the creation of Thickbox, a modal/dialog solution. In 2008 he officially joined the jQuery team as an evangelist. His current focus has been on client-side optimization techniques as well as speaking and writing about jQuery. As of late he is employeed by Ning.com

Direct Link: via http://jqueryenlightenment.com/