![Cover art for La clave secreta del universo (La clave secreta del universo 1) [George's Secret Key to the Universe]](https://m.media-amazon.com/images/I/81ryUw6iqyL.jpg)
La clave secreta del universo (La clave secreta del universo 1) [George's Secret Key to the Universe]
By Stephen Hawking, Lucy Hawking
Series
Genres: childrens
Recordings
Narrated by Alberto Santillán
- Runtime: 5 h 57 min
- Publisher: Penguin Random House Grupo Editorial
- Released: 2018
- ASIN (us): 8466348611
- 34 chapters