Martí loves to walk, but not on the streets, he walks on the roofs of the city! With elastic springs in his feet, he jumps over buildings as if he were a superhero, except that Martí has no powers, he's just like you and me.<...

 Martí loves to walk, but not on the streets, he walks on the roofs of the city! With elastic springs in his feet, he jumps over buildings as if he were a superhero, except that Martí has no powers, he's just like you and me.

One day all the cats in the city begin to disappear. Muntsa asks him for help to recover his cat, Bolavà. Martí will have to use all his ingenuity and even put his life in danger if he wants to save Bolavà from the clutches of a character with a lot of power.

Martí Saltateulades, by Víctor Aldea is the winning work of the VI Enric Lluch Prize for children's fiction Ciudad de Algemesí.