  2019 - Ethan Marcus Makes His Mark (Paperback) → Hardcover ISBN-13: 9781481489294 ISBN-10: 1481489291 Genre: Children's Books ?  2018 - Ethan Marcus Stands Up (Paperback) → Hardcover ISBN-13: 9781481489263 ISBN-10: 1481489267 Genre: Children's Books ?  2018 - Ethan Marcus Makes His Mark (Hardcover) → Paperback ISBN-13: 9781481489287 ISBN-10: 1481489283 Genre: Children's Books ?  2017 - Ethan Marcus Stands Up (Hardcover) → Paperback ISBN-13: 9781481489256 ISBN-10: 1481489259 Genre: Children's Books ?  2015 - The Summer I Saved the World in 65 Days (Paperback) → Hardcover ISBN-13: 9780385371094 ISBN-10: 0385371098 Genre: Children's Books ?  2014 - The Summer I Saved the World in 65 Days (Hardcover) → Paperback ISBN-13: 9780385371063 ISBN-10: 0385371063 Genre: Children's Books ?  2012 - Calli Be Gold (Paperback) → Hardcover ISBN-13: 9780375865282 ISBN-10: 0375865284 Genre: Children's Books ?  2011 - Calli Be Gold (Hardcover) → Paperback ISBN-13: 9780385739702 ISBN-10: 0385739702 Genre: Children's Books 1  The Summer I Saved the World in 65 Days Paperback (Paperback) ISBN-13: 9781338030099 ISBN-10: 1338030094 ? |
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