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- Cosmic catastrophes, seven ways to destroy a planet like earth, David A. Aguilar
- Super stars, the biggest, hottest, brightest, most explosive stars in the Milky Way, by David A. Aguilar
- 13 planets, the latest view of the solar system, David A. Aguilar
- Alien worlds, your guide to extraterrestrial life, by David A. Aguilar