aSavings via eBay offers the Royal Electronic Dictionary and Thesaurus Electronic Reference, model no. RP8s, for $4.95 with free shipping. That's $1 under our July mention and the lowest total price we we've seen for this thesaurus. (It's also $10 under the lowest total price we could find for a similar electronic dictionary/thesaurus elsewhere.) It features an American Heritage Dictionary, New Roget II Thesaurus, four-line display, built-in organizer, calculator, and free online practice SAT, ACT, or PSAT tests.