'The Master Key' was published in 1901.

Meet Rob Joslyn, a young guy who loves playing with gadgets and experimenting with electricity. With his dad's support and plenty of supplies, Rob gets lost in a tangle of wires in his house, trying to make a cardboard house light up.
One day, while messing around with the wires, Rob accidentally unlocks the power of the Master Key of Electricity. This brings a magical being called the Daemon of Electricity into his life. The Daemon tells Rob that he can ask for three gifts every week for three weeks.
In the enchanting world of L. Frank Baum's "The Master Key," readers are invited to embark on a thrilling adventure filled with magic and mystery. The story follows a young boy named Rodger, who stumbles upon a mysterious key that unlocks doors to extraordinary realms. As Rodger navigates through these fantastical places, he encounters a cast of intriguing characters, including a wise old wizard and a mischievous fairy. Each door he opens leads him deeper into a world where the ordinary rules of life no longer apply.
The central theme of "The Master Key" revolves around the quest for knowledge and the consequences of wielding great power. As Rodger learns more about the key's abilities, he must confront the challenges and responsibilities that come with it. With every twist and turn, readers will find themselves captivated by the rich imagination and timeless wisdom woven throughout Baum's tale. Join Rodger on this unforgettable journey as he discovers not only the wonders of the magical world but also the strength within himself to face the unknown.
Full Name: Lyman Frank Baum
Birthdate: May 15, 1856
Place of Birth: Chittenango, New York, USA
Date and Place of Death: May 6, 1919, Hollywood, California, USA
Occupation: Author, playwright, and screenwriter
Notable Works: Baum is best known for his classic children's book "The Wonderful Wizard of Oz," published in 1900. He wrote 14 books in the Oz series, along with other works like "American Fairy Tales" and "The Life and Adventures of Santa Claus."
Early Life: Baum was the seventh of nine children. His family moved to Syracuse, New York, when he was young. He was interested in storytelling and theater from an early age. He struggled in school but loved to read and write.
Literary Career: Baum began his career in theater and later turned to writing. "The Wonderful Wizard of Oz" made him famous and led to a series of sequels. His stories are known for their imaginative worlds and strong characters. Baum also created a new type of children’s literature that combined fantasy with moral lessons.
Personal Life: Baum married Maud Gage in 1882, and they had four children. He was involved in various businesses but faced financial difficulties. Despite this, he remained dedicated to writing and entertaining children through his stories. Baum’s legacy continues to influence literature and popular culture today.
The book was written by L. Frank Baum, who is best known for creating 'The Wonderful Wizard of Oz'.
Baum was inspired by his interest in magic and the idea of a key that could unlock all doors, both literally and metaphorically.
'The Master Key' is primarily a children's fantasy novel.
The main characters include a young boy named Rod and a magical figure known as the Master Key.
The story follows Rod, who discovers a magical key that opens doors to various adventures and fantastical realms.
Key themes include the power of imagination, the importance of kindness, and the journey of self-discovery.
The key represents opportunities, knowledge, and the ability to unlock one's potential.
'The Master Key' was generally well-received, appreciated for its imaginative storytelling and engaging characters.
There are no major film or stage adaptations of 'The Master Key', but it remains a beloved classic in children's literature.