Rosie Revere is no stranger to flops and fails, kerfuffles and catastrophes. After all, engineering is all about perseverance! But this time, Rosie has a really important project to tackle - one that feels much bigger than herself. Rosie's beloved Aunt Rose and her friends, the Raucous Riveters - a group of fun-loving gals who built airplanes during World War II - need help inventing something new. And Rosie is just the engineer for the job! After...

Christopher is 'Proper': a real boy with a real soul, orphaned in a fire. He works for an engineer, a maker of the eccentric, loyal and totally individual mechanicals who are Christopher's best friends. But after a devastating accident, a secret is revealed and Christopher's world is changed for ever...What follows is a remarkable adventure, as Christopher discovers who he really is, and what it means to be human.

Private investigator, Fermín Escartín searches for a young engineer, who mysteriously dissapears while working on a local tunnel.