A woman tells her young son the true story of how his great-great-grandfather, Captain Harry Colebourn, rescued and learned to love a bear cub in 1914 as he was on his way to take care of soldiers' horses during World War I, and the bear became the inspiration for A.A. Milne's Winnie-the-Pooh.

Two brothers take summer jobs at a department store where a series of peculiar events brings them under suspicion.

The Alden children, snowbound in a vacation cabin, discover adventure in surrounding wild life, three children they find in the snow, and a search for a lost recipe.

While on bicycle trip to their aunt's farm, the four Aldens help solve a mystery.

Relates the earliest adventures of Captain America, based on the original comics, describing the life of Steve Rogers, from attempting to join the Army at the start of World War II, failing the physical examination, to being recommended for the classified Project: Rebirth, being injected with the Super-Soldier serum, and becoming America's first Avenger, Captain America.