For developing web-based and database driven high-performance, dynamic Web applications at express speed, PHP (powerful scripting language) and MySQL (quick and reliable database) are absolutely the only pair of best partners. Tutorials about them, I came close to forget this classic bible-level PHP and MySQL Web Development, Fourth Edition (although a bit old without involving the newest features).

Android Wireless Application Development, Third Edition (Vol. I: Android Essentials and Vol. II: Advanced Topics) is a Android development book written by Lauren Darcey and Shane Conder, published in the Developer's Library series, respectively for beginners and advanced Android app developers.