Simon P. Catsby is purrfectly happy with his new forever home until two new family members arrive. They wreck Simon's peaceful life, especially his day-long naps in his favorite window. Simon struggles with the family changes and his fear of the outdoors grows. Will Simon learn to adapt? Will he leave his safe home and once again explore the outside world? This charming story explores themes of fear, growth, family changes, and receiving help in unexpected ways.