Eight-year-old Lucas, Prince of Wrenly, is eager to explore and Clara, daughter of the queen's seamstress, knows the kingdom well, so they team up to find a lost jewel and visit all of the land's main attractions as they search.

Fifteen-year-old Kat Bishop and her fellow talented teenagers work together to find and steal the "Cleopatra Emerald" from an unscrupulous dealer and return it to its rightful owner, while a former love of her Uncle Eddie tries to get the gem for herself.

This edition comprises two books. Gems & crystals from the American Museum of Natural History / Anna S. Sofianides and George E. Harlow ; photographs by Erica and Harold Van Pelt. New York : Simon & Schuster, c1990. Minerals : an illustrated exploration of the dynamic world of minerals and their properties / George W. Robinson ; photography by Jeffrey A. Scovil. New York : Simon & Schuster, c1994.

On its 25th anniversary, a classic book gets a sumptuous, redesigned edition. Fully updated, Gems & Crystals showcases the museum's renowned collection and unlocks the science behind the dazzling properties of each gemstone species. Nearly 150 key varieties of gems and minerals are profiled, with information on their history, lore, and sources. Extensively researched and stunningly illustrated, this special volume will fascinate novice and expert...

The Rock and Gem Book is packed full of photos of natural wonders, including rocks, minerals, gems, shells and fossils. This children's encyclopedia displays more than 1,200 full-color specimens, from sapphires and rubies to silver and pearl, revealing the unique qualities of each material and how it is used in industry, architecture, art and science. Including precious metals, rare fossils, tiny gemstones and giant shells, the Rock and Gem Book gives...

A dazzling visual guide to precious and semiprecious stones, organic gems, and precious metals that showcases beautiful, specially commissioned images as well as science, natural history, mythology, and true stories of adventure and discovery. From diamonds and sapphires to emeralds and obsidian, Gem profiles all the key gemstones and other precious materials. Its stunning images show the jewels in their different cuts, colors, and uses. See the exquisite...

"Learn all about sparkling gemstones and eye-catching crystals in this handy reference guide for young readers. From the rarest crystal to the most common stone, gems from around the world are revealed in dazzling detail in this illustrated guide. Discover what exactly crystals and gems are, how they're formed, how to identify them, and how they can be used in everything from microchips to jewelry making. How can a rough diamond become a show-stopping...

Jack Frost has stolen the jewels from Queen Titania's crow and Sophie the Sapphire Fairy needs to get them back.

As Steven tries to figure out his powers, he spends his days with his human father Greg, his friend Connie or the other gems, whether to help them save the world or just to hang out. He explores the abilities passed down to him by his mother, which include fusion -the ability of two gems to temporarily merge their identities and bodies to form a distinct new personality.