Dictionary of Root Words: Greek and Latin Roots (English Word Power)

Vocabulary Packets: Greek & Latin Roots: Ready-to-Go Learning Packets That Teach 40 Key Roots and Help Students Unlock the Meaning of Dozens and Dozens of Must-Know Vocabulary Words

Dictionary of Word Origins: The Histories of More Than 8,000 English-Language Words

The Etymologicon: A Circular Stroll Through the Hidden Connections of the English Language

English Words from Latin and Greek Elements

Homonyms, Homophones and Homographs: Vocabulary Building (English Word Power) (Volume 3)

Greek and Latin Roots - Keys to Building Vocabulary

Dictionary of Word Roots and Combining Forms

English: Learning with Root Words: Learn one Latin-Greek root to learn many words. Boost your English vocabulary with Latin and Greek Roots!

The Learning Works: Prefixes and Suffixes, Grades 4-8: Teaching Vocabulary to Improve Reading Comprehension