Seven Databases in Seven Weeks, Second Edition
Luc Perkins & Eric Redmond & Jim R. Wilson
Write Yourself a Scheme in 48 Hours
Wikibooks contributors
In Order to Live
Yeonmi Park & Maryanne Vollers
Setting Bottom-Lines: A Pamphlet with Worksheets
SLAA Fellowship-Wide Services
Higher-Order Perl: A Guide to Program Transformation
Mark Jason Dominus