| Author research links: |
| Books by Trudy Ludwig:
 | "The Invisible Boy"
First published in 2013
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 | "Better Than You"
First published in 2011
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 | "Just Kidding"
First published in 2006
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 | "Sorry!"
First published in 2006
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 | "My Secret Bully"
First published in 2003
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 | "Trouble Talk"
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