Active Reader - World of Nature Series
Adventures around the World- XAdventures around the World - A Frozen Trip to Antarctica
- XAdventures around the World - Climbing Mount Everest
- XAdventures around the World - Journey under the Sea
- XAdventures around the World - Let's Take an African Safari
- XAll about Dinosaurs
- XAll about Dinosaurs - Finding Out about Dinosaurs
- XAll about Dinosaurs - Let's Go Back in Time
- XAlphabee
- XBalloon Bandit
Banker's Run!
Basic Language Skills- XBasic Language Skills - Using Adjectives
- XBasic Language Skills - Using Nouns
- XBasic Language Skills - Using Verbs
- XBeginning Math Concepts
Cloze Technique for Developing Comprehension (The)
Cloze Technique for Developing Comprehension - Building Understanding I
Cloze Technique for Developing Comprehension - Building Understanding II
Day to Find Out (A)- XEarth Science
- XFairy Tales for the Primary Grades
- XFairy Tales for the Primary Grades - No. 1
- XFairy Tales for the Primary Grades - No. 2
- XGovernment in the United States
- XGovernment in the United States - Federal Government - The Executive Branch
- XGovernment in the United States - Federal Government - The Legislative Branch
- XGovernment in the United States - Local and State Government
- XGovernment in the United States - The Federal Judicial Branch and the US Constitution
- XIdentity 500
- XLearning about the Holidays
- XLet's Get Physical
- XMath for the Young Consumer
- XMath through Mental Arithmetic
Mathworld Commander- XSolving Word Problems in Math
Space Mission Problem Solving- XSpace Mission Problem Solving - Journey to Mars
- XSpace Mission Problem Solving - Journey to the Moon
- XSpelling
- XStorymaker
- XStrange Encounters - You Decide
- XStrange Encounters - You Decide - Bigfoot of the Mountains
- XStrange Encounters - You Decide - Snowman of the Himalayas
- XStrange Encounters - You Decide - The Bermuda Triangle
- XStrange Encounters - You Decide - The Loch Ness Monster
- XSuper Quiz Kid
Telling Time
Telling Time - Hours of the Day

