15 Questions. How long is a light year? – vol. 9

Pierdomenico Baccalario has been writing children’s novels since 1997, when he won the Il Battello a Vapore literary prize with La strada del Guerriero (The Way of the Warrior) using his neighbour’s name. Since then, his bestsellers have been written under as many pseudonyms (the best known being Ulysses Moore and Irene Adler), translated into more than thirty languages and published with major Italian and foreign publishers. He has collaborated with Lucca Comics & Games for more than twenty years, has written for Repubblica and is a columnist for the newspaper Corriere della Sera’s La Lettura literary supplement. In 2014, he founded the Book on a Tree creative agency in London.

A writer, presenter, TV author and populariser, Federico Taddia collaborates with Topolino, Rai, Radio24 and La Stampa. One of his passions has always been to use the right words to tell the youngest everything that scientists study, look for and discover. He has written books with Margherita Hack, Telmo Pievano, Elisa Palazzi and Antonella Viola. With Teste Toste he won the Andersen Prize for the best science series for girls and boys and with Virus Game he won the Piccolo Galileo prize.