'Bobbsey Twins or Merry Days Indoors and Out' Summary

The Bobbsey Twins are four children who live in a small town with their parents. Bert and Nan are 12 years old and are fraternal twins. Flossie and Freddie are six years old and are also fraternal twins. The book follows the children as they go on various adventures, both indoors and out. They have a treehouse in their backyard where they often play. They also have a dog named Snoop who is always getting into trouble. The children are always getting into mischief, but they always have each other's backs. The Bobbsey Twins is a classic children's book that has been enjoyed by generations of readers.