While Diggersaurs work hard outdoors shifting earth and granite, Work takes place in outer space upon a distant planet ... Meet the Roversaurs - an awesome combination of dinosaur and spacecraft. They busy on Mars, tunnelling through the ground, mapping new territory, testing soil samples and growing plants - what do they have planned? And might they need some help from the Diggersaurs?This read-aloud rhyming treat is bursting with funny, characterful dino-machines. Award-winning, bestselling Michael Whaite brings Mars to life with bright, bold colours and details to pore over.