- Habitability and Cosmic Catastrophes
- Habitability of Other Planets and Satellites
- Half Hours with the Stars
- Half Hours With the Telescope
- Half-Hours with the Stars
- Half-Hours With the Stars: A Plain and Easy Guide to the Knowledge of the Constellations
- Half-hours with the Telescope
- Handbook of Practical Astronomy
- Handbook of the Solar-Terrestrial Environment
- Handbook of Theoretical Atomic Physics
- Harlow Shapley: Biography of an Astronomer: The Man Who Measured the Universe
- Harmonia Macrocosmica
- Harry Potter - A History of Magic (Enhanced Edition)
- Harvesting Space for a Greener Earth
- Hawking en 3 minutes
- Hawking esencial
- Hawking Radiation 1
- Hawking Radiation 2
- Hawking Radiation 3
- Health and Science Essentials for Everyone
- Heart of Darkness
- Heating versus Cooling in Galaxies and Clusters of Galaxies
- Heaven on Earth: How Copernicus, Brahe, Kepler, and Galileo Discovered the Modern World
- Heavenly Discourses
- Heavenly Errors
- Heavenly Intrigue
- Heavenly Mathematics
- Heavenly Numbers
- Here Be Dragons
- Herrera's 'Plasmogenia' and Other Collected Works
- Herschel at the Cape
- High Energy Astrophysical Techniques
- High Energy Cosmic Rays
- High Energy Density Laboratory Astrophysics
- HIGH TIDE- PLANETS
- High Time Resolution Astrophysics
- High-Energy Emission from Pulsars and their Systems
- High-Energy Spectroscopic Astrophysics
- High-Precision Studies of Compact Variable Stars
- High-Redshift Galaxies
- High-Temperature Superconducting Microwave Circuits and Applications
- High-Velocity Clouds
- Highlighting the History of Astronomy in the Asia-Pacific Region
- Highlights of Spanish Astrophysics IV
- Highlights of Spanish Astrophysics V
- Hiperespaço
- Hipparcos, the New Reduction of the Raw Data
- Histoire de la Terre et de la vie
- Histoires du ciel
- Historia del Cielo
- History of Astronomy
- History of Planetariums in India: 1954-2018
- História Da Ciência
- Hledání druhé Země
- Hollyweird Science
- Host Stars and their Effects on Exoplanet Atmospheres
- Hot Interstellar Matter in Elliptical Galaxies
- How Apollo Flew to the Moon
- How Big is Big and How Small is Small
- How Big Is The Universe? Astronomy Book for 6 Year Olds Children's Astronomy Books
- How Did the First Stars and Galaxies Form?
- How Do You Find an Exoplanet?
- How Does a Star Die? Astronomy Book for Kids Children's Astronomy Books
- How Einstein Created Relativity out of Physics and Astronomy
- How Einstein Ruined Physics
- How I Killed Pluto and Why It Had It Coming
- How It Ends: From You to the Universe
- How It Works: Book of Space
- How It Ends: From You to the Universe
- How It Works: Book of Space
- How Likely is Extraterrestrial Life?
- How Old Is the Universe?
- How Our Space Program Uses Ion Propulsion Children's Physics of Energy
- How Small is Mercury? Astronomy Book for Beginners Children's Astronomy Books
- How Spacecraft Fly
- How to Build a Habitable Planet
- How to Find the Apollo Landing Sites
- How to Live on Mars
- How to Observe the Sun Safely
- How to Pee in Zero G
- How to Photograph the Moon and Planets with Your Digital Camera
- How to Photograph the Northern Lights
- How to Swindle By Faking Science
- How to Use Plastic Sextants
- How We See the Sky
- How We'll Live on Mars
- Hubble Space Telescope Discoveries
- Hubble's Universe
- Hubble: An Overview of the Space Telescope
- Hugh L. Dryden's Career in Aviation and Space: NACA Aeronautics, X-15 Rocketplane, NASA Mercury Astr...
- Human Design
- Human Governance Beyond Earth
- Human Health and Performance Risks of Space Exploration Missions
- Human Universe
- Human Vision and The Night Sky
- Humanity and the Universe
- Humanity’S Expanding View Of The Universe:
- Humble before the Void
- Hunting and Imaging Comets
- Hydrodynamics and Stellar Winds
- Hydromagnetic Waves in the Magnetosphere and the Ionosphere