¡Ajá! Paradojas que te hacen pensar ¡Ajá! Paradojas que te hacen pensar
2018
Enigmas de otros mundos Enigmas de otros mundos
2020
Los mágicos números del Doctor Matrix Los mágicos números del Doctor Matrix
2019
On the Wild Side On the Wild Side
2010
When You Were a Tadpole and I Was a Fish When You Were a Tadpole and I Was a Fish
2009
The Whys of a Philosophical Scrivener The Whys of a Philosophical Scrivener
1999