Lost in Space: Return to Yesterday (Lost in Space 1)

Thrilling, original novel based on Netflix's smash hit Lost in Space! This
all-new story focuses on 11-year-old Will Robinson and his closest friend and
greatest protector--a mysterious Robot with a dangerous past.
Thirty years in the future, Earth has become increasingly more uninhabitable, and a
group of colonists--including Will, his two teenage sisters, and their parents--travels
across the galaxy to establish a new home. But when the ship is attacked, the
Robinsons are stranded on an alien planet where they must contend with disastrous
technical issues, a hostile environment, and dangerous personalities to get off world
and reach their colony.
One day, while exploring a remote complex of caves with his Robot, Will discovers a
strange portal that allows him to travel back to Earth--to a time before the Robinsons
left on their mission. Realizing the portal could be a way for the colonists to escape the
planet and finally make their way to their new home, Will and his sisters decide to
investigate it, triggering a series of events that not only changes their reality, but
threatens the group's very existence. With the beings who created the portal in
pursuit, Will must find a way to right the wrongs of the past and save his family's
future.