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

A family travels from the big woods of Wisconsin to a new home on the prairie, where they build a house, meet neighboring Indians, build a well, and fight a prairie fire. The adventures continue for Laura Ingalls and her family as they leave their little house in the Big Woods of Wisconsin and set out for Kansas. They travel for many days in their covered wagon until they find the best spot to build their little house on the prairie. Soon they are...

Pa's homestead thrives, Laura gets her first job in town, blackbirds eat the corn and oats crops, Mary goes to college, and Laura gets into trouble at school, but becomes a certified school teacher.

In 1879, young Laura Ingalls travels with her mother and her sisters Carrie, Grace, and Mary to the Dakota Territory to meet Pa and start a new chapter in their lives.

Peter finds his demanding two-year-old brother an ever increasing problem. Living with his little brother, Fudge, makes Peter feel like a fourth grade nothing. Fudge is never far from trouble. He's a two-year-old terror who gets away with everything-and Peter's had enough. When Fudge walks off with Dribble, Peter's pet turtle, it's the last straw.

A year in the life of two young girls growing up on the Wisconsin frontier, as they help their mother with the daily chores, enjoy their father's stories and singing, and share special occasions when they get together with relatives or neighbors.

Dogs in the dead of night: Jack and Annie travel to a monastery in the Swiss Alps where, with the help of St. Bernard dogs and magic, they seek the second of four special objects necessary to break the spell on the wizard Merlin's beloved penguin, Penny. Abe Lincoln at last!: The magic tree house whisks Jack and Annie to Washington D.C. in the 1860s where they meet Abraham Lincoln and collect a feather that will help break a magic spell.