Chemskill Builder(2nd Edition) Personalized Problem Sets for General Chemistry Version 5.1 for Windows by JamesD. Spain, Harold Peters Cd, Published 1998 by William C Brown Pub ISBN-13: 978-0-07-292443-5, ISBN: 0-07-292443-8
GOB ChemSkills General-Organic-Biochemistry Electronic Homework, Version 1.0 by Lucille B. Garmon, JamesD. Spain, Harold J. Peters Hardcover, Published 2002 by Electronic Homework Systems, Inc. ISBN-13: 978-1-890803-39-1, ISBN: 1-890803-39-1
Csb/2000 - Cd Individual Student Version 6.3 GENERAL CHEMISTRY by Hal Peters, JamesSpain Cd, Published 2004 by Electronic Homework Systems Inc ISBN-13: 978-1-890803-38-4, ISBN: 1-890803-38-3