(e)Books

Computer Science Distilled Roadmap:Entry
DZone Refcardz Roadmap:Intermediate Roadmap:Advanced must-learn
eBooks Roadmap:Intermediate
Freely available programming books Roadmap:Entry Roadmap:Intermediate Roadmap:Advanced
InfoQ Guides Roadmap:Intermediate Roadmap:Advanced must-learn
Sitepoint Library Roadmap:Entry Roadmap:Intermediate Roadmap:Advanced