Here are some of her notable works:
* The Adventures of the Bailey School Kids series: This popular series follows the adventures of three friends who attend a boarding school in the late 1800s. It includes titles like "The Bailey School Kids in the Time of the Great Quake," "The Bailey School Kids on the Oregon Trail," and "The Bailey School Kids Go West."
* The Firefly Hollow series: This series features a young girl named Emma who discovers a magical world in her grandmother's attic. It includes titles like "The Firefly Hollow," "The Firefly Hollow: The Whispering Wood," and "The Firefly Hollow: The Secret of the Moonstone."
* Other stand-alone novels: Buckingham has also written several other books for middle-grade readers, including "The Mystery of the Missing Manuscript" and "The Secret of the Sunken Treasure."
Buckingham's books are known for their adventure, humor, and heartwarming stories, often with historical settings and a focus on friendship and resilience.