Programming for Everyone in Java by Per B. Hansen (2000, Trade Paperback)

Programming Which Language Is Right For You IBM PC By Marc Stiegler & Bob Hansen

Lego Mindstorms NXT Power Programming, 2nd Edition, By John C. Hansen

Programming for Everyone in Java by Hansen, Per B., Acceptable Book

Inside Servlets: Server-Side Programming for the Java (TM) Platform by Dustin R.

Program Development in Java : Abstraction, Specification, and Obj-Oriented Des.

Functional Programming Using F# by Hansen, Michael R.; Rischel, Hans

LEGO Mindstorms NXT Power Programming: Robotics in C by John C. Hansen