Children's Illustrated Encyclopedia, 7 Rev Upd edition

Specially revised in consultation with experts in each field, this updated and revised edition of the Children's Illustrated Encyclopedia brings this encyclopedia into a new era. With updated advances in technology, scientific breakthroughs, space missions and discoveries, map updates that show political, social, and ecological changes around the world, plus more than 5,000 safe Internet links, children and their parents now have a multimedia DK reference book for research, reports, homework help, and fun.