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Author

Allen Calkins

3 books found

Cover of Frost Rhealm

Frost Rhealm

Allen Childers, Kaitlin Calkins, James Mahoney · First published 2019

Cover of Incredible Journey Instructor Handbook

Incredible Journey Instructor Handbook

Dave Martin, Allen Calkins · First published 2016

Placeholder cover for Revenue sharing in operation

Revenue sharing in operation

Allen D. Manvel, Calkins, Susannah E. joint author, Susannah E. Calkins, Richard P. Nathan · First published 1975