Books by Katy Duffield

Cover of The Battle of Little Bighorn

The Battle of Little Bighorn

by Katy Duffield

2017

Cover of Emergency Vehicles

Emergency Vehicles

by Katy Duffield

2018

Cover of Neighborhood Helpers

Neighborhood Helpers

by Katy Duffield

2018

Cover of Poltergeists (Mysterious Encounters)

Poltergeists (Mysterious Encounters)

by Katy Duffield

2007

Cover of Chad Hurley, Steve Chen, Jawed Karim

Chad Hurley, Steve Chen, Jawed Karim

by Katy Duffield

2009

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