Independently Published Doug the Digger Goes to Construction School: A Fun Picture Book For 2-5 Year Olds

Doug the Digger Goes to Construction School: A Fun Picture Book For 2-5 Year Olds: 1 (Construction Trucks & Digger Story Books For Kids Ages 3-7)

Count the Diggers, Dumper Trucks & Tractors: A Fun Activity Book For 2-5 Year Olds (Kids Who Count | Counting Books for Ages 3-5 Year Olds | Construction Vehicles, Cars & Trucks)

Magnetic Let's Play Diggers (Magnetic Play & Learn)