Christophe Galfard has written at least 9 books. Their most popular book is The Universe in Your Hand: A Journey Through Space, Time, and Beyond with 18 saves with an average rating of 3.92⭐.
They are best known for writing in the genres Space, Science, and Fiction.
 The Universe in Your Hand: A Journey Through Space, Time, and Beyond
| 3.92 |
 L'Univers à portée de main
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 The Universe in Your Hand The Universe in Your Hand: A Journey Through Space, Time and Beyond
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 El universo en tu mano
| 5 |
 L'universo a portata di mano: In viaggio attraverso la fisica dello spazio e del tempo
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 Universum i din hand : En resa genom rymden, tiden och oändligheten
| 4 |
 Evren Avucunda Evren Avucunda: Uzay, Zaman Ve Ötesine Olağanüstü Bir Yolculuk
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 How To Understand E=mc2
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 Georges et les secrets de l'Univers
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