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The seven wonders of the world
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A burst of firsts :a salute in verse to first-time feats and amazing achievements
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Mysteries of the unexplained
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The seventy wonders of the ancient world : the great monuments and how they were built
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The Guinness book of records 1492 : the world five hundred years ago
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How does aspirin find a headache? : an imponderables book
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Unsolved mysteries of history : an eye-opening investigation into the most baffling events of all time
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Crop circles
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Nature shockers
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Go, go America
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Ripley's believe it or not! : special edition 2010
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Mysterious America : the ultimate guide to the nation's weirdest wonders, strangest spots, and creepiest creatures
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Guinness world records 2011
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Kid vs. squid
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Weird history 101
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Unexplained! : 347 strange sightings, incredible occurrences, and puzzling physical phenomena
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Pennsylvania curiosities : quirky characters, roadside oddities & other offbeat stuff
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The Atlas of mysterious places : the world's unexplained sacred sites, symbolic landscapes, ancient cities, and lost lands
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100 things you should know about world wonders
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National Geographic kids almanac, 2011
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Weird animal sports
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Weird & wonderful
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Simply unbelievable
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How in the world?
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Why do dogs bark?
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My somebody special
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Where fish go in winter : and other great mysteries
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Hedgehogs and other insectivores / [book author, Steven Otfinoski]
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Where do people go when they die?
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What do you do with a tail like this?
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Creating a commonwealth : a guide to your state government
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Let's celebrate Thanksgiving
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Wolves and other wild dogs / [book author, Mary E. Reid]
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Ladybugs and other beetles / [book author, Steven Otfinoski]
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How does aspirin find a headache? : an imponderables book
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Why do clocks run clockwise? and other imponderables : mysteries of everyday life explained
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Why do leaves change color?
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Why can airplanes fly?
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Why does it rain?
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Why do snakes hiss? : and other questions about snakes, lizards, and turtles
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Everything bug : what kids really want to know about insects and spiders
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Asking about sex and growing up : a question-and-answer book for kids
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I wonder why volcanoes blow their tops
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Brainiac [LP]: adventures in the curious, competitive, compulsive world of trivia buffs
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101 questions about your immune system you felt defenseless to answer ... until now
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Why do rabbits hop? : and other questions about rabbits, guinea pigs, hamsters, and gerbils
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Space
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Pennsylvania trivia
