Part of the nonfiction Orca Timeline series for middle-grade readers, this illustrated book examines how humans have communicated over time.

An informative, engaging introduction to biometrics, how it’s used, and why it matters. Includes sidebars, diagrams, sources, a Glossary and an Index. Full color.

This book investigates patterns of fragmentation and coherence in the international regulatory architecture of public procurement. In the context of the major international instruments of procurement regulation, the book studies…