Welcome to my site! I am an astronomer by training and a teacher by trade, but currently spend most of my time as a writer. I hope you'll find this site useful and entertaining. more info...

Winner: Colorado Book Award
Nat. Science Teachers Assoc. Recommended (Grades K-8)
"Simply the coolest kids' book to come
along in years..." – Boulder Daily Camera

"A rousing success..."
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VOYAGE: A 1-to-10 Billion Scale Model Solar System
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