Katie Kennedy is the author of The Constitution Decoded and The Presidents Decoded. Her young-adult novels include Learning to Swear in America and What Goes Up. She is a history p...view moreKatie Kennedy is the author of The Constitution Decoded and The Presidents Decoded. Her young-adult novels include Learning to Swear in America and What Goes Up. She is a history professor in Iowa and a lifelong hockey fan. Hearts on Thin Ice is her debut novel for adults.view less