What about the world we can't see? The world underground? Soil and rock layers, plant roots, animal burrows, insects, and more take the spotlight in this book,

"Illustrates the layers below Earth's surface, from crust to core, and the plants and animals that live within"--

Book opens and is read vertically, or top to bottom, with illustrations on double-page spreads.

A real-world DBA survival guide for Oracle 11g database implementations with this book and eBook.

This Hands-On book show teachers everything they will need to help students conduct real-life archaeological digs. Packed with activities, this book offers smal