Essential teaching for every short- and long-term outreach participant & every church and mission agency that sends them. Peter Jordan's vital, insightful teach

Based on a long engineering experience, this book offers a comprehensive and state-of-the-art analysis of aerodynamic and flight mechanic entry topics. This upd

A survival manual for people and families who are returning to their home country.

Hankey addresses the kinetic theory of gases and the prediction of vehicle trajectories during re-entry, including a description of the Earth's atmosphere. He d