Rails Pocket Reference
Eric Berry
Oracle SQL*Plus Pocket Reference
Jonathan Gennick
Apache 2 Pocket Reference
Andrew Ford
STL Pocket Reference
Ray Lischner
UML 2.0 Pocket Reference
Dan Pilone
LINQ Pocket Reference
Joseph Albahari & Ben Albahari
XSLT 1.0 Pocket Reference
Evan Lenz
Regular Expression Pocket Reference
Tony Stubblebine
HTTP Pocket Reference
Clinton Wong
Perl Pocket Reference
Johan Vromans