Jack and Mark build an airship and head North, hoping to find a rare plant that grows only in Alaska. But a freak earthquake causes a chunk of the Earth, along with our protagonists, to fly into outer space.

Roy Rockwood's "On a Torn-Away World" (also known as "The Captives of the Great Earthquake") presents a gripping tale that unfolds in the aftermath of a catastrophic earthquake. The narrative follows the characters as they navigate the challenges and uncertainties of their new reality on a world torn apart by the disaster. Set against the backdrop of a drastically altered world, the story unfolds with themes of survival, exploration, and adaptation. Through the characters' experiences as they explore their changed environment and interact with other survivors, readers are immersed in a gripping story of resilience and adventure. The novel delves into themes of resourcefulness, cooperation, and the search for answers in the face of the unknown. As the characters work together to overcome obstacles and uncover the mysteries of their situation, they embody the qualities of determination and ingenuity. "On a Torn-Away World" captures the essence of a world transformed by natural disaster and the challenges of rebuilding in its aftermath. Roy Rockwood's storytelling invites readers to join the characters on their journey, reflecting on the fragility of civilization and the strength of human spirit in times of adversity.

"Five Thousand Miles Underground" by Roy Rockwood is an action-packed story for young teens. The professor built an amazing machine with the ability to fly and float. This happened shortly after 1900, a long time before the Wright brothers. The machine transported a select group to the earth's center, where mythical creatures lived. Danger and adventure reign supreme...

Setting the stage : technology and the series book -- Birdmen and boys, 1905-1915 -- Aces and combat : World War I and after, 1915-1935 -- Interlude : Charles A. Lindbergh and Atlantic flight, 1927-1929 -- The golden age, I : the Lindbergh progeny, 1927-1939 -- The golden age, II : the air-minded society, 1930-1939 -- World War II and modern aviation, 1939-1945 -- Aftermath : a-bombs, rockets, and space flight, 1945-1950.