Space Mountain — Bryan Q. Miller

The year is 2125 and the Magellan Science Academy has given two lucky cadets "golden tickets" to join a team of space explorers on a special field trip to journey 24 hours into the future--straight into "Tomorrowland." But when their mission goes unexpectedly wrong, the two young cadets must band together with a miniature flying saucer sidekick to save themselves, the rest of their crew, and the entire universe before time runs out!