Yoto says: Ever wondered 'who made that?' Well, brave adventurer Cassandra (and super-smart bird Missy) are off to find out!

Brought to you by Ladybird.

Join our intrepid adventurer Cassandra (and Missy, the smartest bird in the universe) as she embarks on a brand new Ladybird Audio Adventure!

On this adventure we're going to meet some of the world's most important inventors!

These audiobooks help children learn about their environment on a journey of discovery with the narrators Ben Bailey-Smith (a.k.a. Doc Brown, rapper, comedian and writer) and Sophie Aldred (best known for her role as Ace in Doctor Who).

Ladybird Audio Adventures is an award-winning original series for four to seven-year-olds; a new, entertaining and engaging way for children to learn about the world around them. These are special stories written exclusively for audio with fun sound and musical effects, perfect for listening at home, before bed and on long journeys.

Other books in the Ladybird Audio Adventure series include Dinosaur Times, Deep Sea Dive, Outer Space, Amazing Vehicles, The Animal Kingdom, Rainforests, Creepy Crawlies, On the Farm, The Human Body and The Frozen Planet.