Best free books links (Books related to web development including HTML,CSS,JavaScript, PHP etc

[RizwanAhmedMemon]

Hello everyone, Lets share the best books you know related to web development. Share their links as well so that they can easily be downloaded should be in PDF formate. Thanks.

[Ingolme]

Are there any free books about those subjects? I know a lot of websites to learn from, but not any books.

[Catfish]

best PHP "book" for me is the reference manualIt's free and doesn't get any more official! Shows you the basics to get going and then has all the info on every function in PHP. If you use the online one it has user comments that have handy snippets of code and sometimes extended explanations and warnings that help clarify some quirky reactions you get sometimes from your scripts.