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Professor Curious and The Mystery of the Hiking Dinosaurs
Bonnie Timmons
Hardcover (Clarkson Potter, April 9, 1991)Professor Curious solves the mystery of how dinosaur footprints got on top of a mountain in the Alps in an entertaining geology lesson that explains the collision of continents millions of years ago
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Orville's Outing
bonnie timmons
Hardcover (Jonathan Cape, March 15, 1983)None
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Ed's Day Out
Bonnie Timmons
Hardcover (Tanglewuld Pr, April 30, 2005)None
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Orville's Outing
Bonnie Timmons
Hardcover (Dutton Books for Young Readers, Sept. 1, 1983)Upset that people run away or laugh when he tries to be friendly, Orville opens his beak to cry but such beautiful music comes out that everyone comes to hear him sing.