| 2025 | Dream On | NPR Books We Love source ↗ (opens in a new tab) | Selection · Books We Love | |
| 2025 | Dream On | School Library Journal Best Books of the Year source ↗ (opens in a new tab) | Selection · Graphic Novels | |
| 2025 | Dream On | Kirkus Best Books of the Year source ↗ (opens in a new tab) | Selection · Middle Grade | |
| 2023 | The Princess in Black and the Prince in Pink | School Library Journal Best Books of the Year source ↗ (opens in a new tab) | Selection · Chapter Books | |
| 2019 | Best Friends | Chicago Public Library Best of the Best source ↗ (opens in a new tab) | Selection · Best Informational Books for Older Readers | |
| 2019 | Best Friends | NPR Books We Love source ↗ (opens in a new tab) | Selection · Books We Love | |
| 2019 | Best Friends | School Library Journal Best Books of the Year source ↗ (opens in a new tab) | Selection · Graphic Novels | |
| 2018 | The Princess in Black and the Science Fair Scare | Chicago Public Library Best of the Best source ↗ (opens in a new tab) | Selection · Best Fiction for Younger Readers | |
| 2017 | Real Friends | Goodreads Choice Awards source ↗ (opens in a new tab) | Nominee · Graphic Novels & Comics | |
| 2017 | Real Friends | Chicago Public Library Best of the Best source ↗ (opens in a new tab) | Selection · Best Fiction for Older Readers | |
| 2017 | Real Friends | Booklist Editors' Choice source ↗ (opens in a new tab) | Selection · Books for Youth: Nonfiction, Middle Readers | |
| 2017 | Real Friends | Publishers Weekly Best Books source ↗ (opens in a new tab) | Selection · Middle Grade | |
| 2017 | Real Friends | School Library Journal Best Books of the Year source ↗ (opens in a new tab) | Selection · Nonfiction | |
| 2016 | The Princess in Black and the Hungry Bunny Horde | Chicago Public Library Best of the Best source ↗ (opens in a new tab) | Selection · Best Fiction for Younger Readers | |
| 2015 | The Princess in Black and the Perfect Princess Party | Chicago Public Library Best of the Best source ↗ (opens in a new tab) | Selection · Best Fiction for Younger Readers | |
| 2014 | The Princess in Black | Chicago Public Library Best of the Best source ↗ (opens in a new tab) | Selection · Best Fiction for Younger Readers | |
| 2014 | The Princess in Black | Kirkus Best Books of the Year source ↗ (opens in a new tab) | Selection · Middle Grade | |
| 2012 | Palace of Stone | Goodreads Choice Awards source ↗ (opens in a new tab) | Nominee · Middle Grade & Children's | |
| 2010 | The Books of Bayern | Mythopoeic Fantasy Awards source ↗ (opens in a new tab) | Finalist · Children's Literature | |
| 2007 | Book of a Thousand Days | School Library Journal Best Books of the Year source ↗ (opens in a new tab) | Selection · Best Books | |
| 2006 | Princess Academy | John Newbery Medal source ↗ (opens in a new tab) | Honor · Children's Literature | |