Don Harper

Volcanoes & Earthquakes (Discovery S.)

By Don Harper

Polar Animals (Discovery S.)

By D Harper, Don Harper, Harper, D, Don

Thunder & Lightning (Discovery)

By Fiona Campbell, Don Harper

Dogs

By Don Harper

TRAIN YOUR DOG

By Don Harper

Caring for your Pets

By Don Harper

Illustrated Encyclopedia of Horses (Understanding Your Animal)

By Don Harper

All about my rabbit and me

By Don Harper

An Identification of Dog Breeds

By Don Harper, Lesley M. Young, Paul Hart, etc.