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Clocks in The Sky: Story of Pulsars (Springer Praxis Books)

A Rule of Life for Redemptive Entrepreneurs

NASA's Scientist Astronauts (Springer Praxis Books)

Russia's Cosmonauts: Inside the Yuri Gagarin Training Center (Springer Praxis Books)

Understanding Gaia: A Mission to Map the Galaxy (Springer Praxis Books)

The Redemptive Nonprofit: A Playbook for Leaders

SpaceX: Starship to Mars The First 20 Years (Springer Praxis Books)

The Sky is Your Laboratory: Advanced Astronomy Projects for Amateurs (Springer Praxis Books)

The First Soviet Cosmonaut Team: Their Lives and Legacies (Springer Praxis Books)

Space Systems Failures: Disasters and Rescues of Satellites, Rockets Probes

SpaceX: Making Commercial Spaceflight a Reality (Springer Praxis Books)

The Saturn V F 1 Engine: Powering Apollo into History (Springer Praxis Books)

The Redemptive Business: A Playbook for Leaders

Sundials: Design, Construction, and Use (Springer Praxis Books)

The Apollo Guidance Computer: Architecture and Operation (Springer Praxis Books)

The Story of Space Station Mir

Redemptive Philanthropy: A Playbook for Leaders

Spies in the Sky: Surveillance Satellites War and Peace (Springer Praxis Books)

Mysteries of Mars (Springer Praxis Books)

Foundations of Christianity: A Socialist Reading Christian Beginnings

Martian Outpost: The Challenges of Establishing a Human Settlement on Mars (Springer Praxis Books)

Salyut The First Space Station: Triumph and Tragedy (Springer Praxis Books)

At the Edge of Solar System: Icy New Worlds Unveiled (Springer Praxis Books)

Soviet and Russian Lunar Exploration

Planet Mars: Story of Another World (Springer Praxis Books)

The Moon: Resources, Future Development and Settlement (Springer Praxis Books)

Faith 7: L. Gordon Cooper, Jr., and the Final Mercury Mission (Springer Praxis Books)

Praxis Regenia 72 Amp 100 g

The Search for Extraterrestrials: Intercepting Alien Signals (Springer Praxis Books)

Space Shuttle Columbia: Her Missions and Crews (Springer Praxis Books)