The product is "The Halfling's Gem" from the Icewind Dale Trilogy in the Forgotten Realms series by R.A. Salvatore. Published by Wizards of the Coast in 1990, this mass market book is in English and is illustrated by Jeff Easley. It is a fantasy fiction novel with 320 pages, measuring 6.9 inches in length, 4.2 inches in width, and 0.9 inches in height. The book weighs 5.4 ounces.
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