The Bobbsey Twins On A Houseboat is a children's novel by Laura Lee Hope, first published in 1915. It is part of a series of books featuring the adventures of the Bobbsey twins, Bert and Nan, and their younger siblings, Freddie and Flossie. In this book, the Bobbsey family sets out on a summer vacation on a houseboat. The children are excited to spend their days exploring the rivers and lakes of the countryside, fishing, and swimming. They also plan...

The twins go to the country fair and are involved in the mystery of a missing boy.

A scar faced man and his black dog complicate the case of the buried treasure that the twins are investigating.

If the twins had not returned a strange white box to its owner- if a letter from Athens had not arrived at that very moment- the Bobbseys' surprise visit to Greece would not have been enhanced by mystery.

When a visiting Italian boy and an old, valuable puppet disappear, the Bobbseys are off to Italy to solve the mystery.

Two sets of twins suspect their neighbors of wrong-doing when they observe the strange behavior of the couple's nephew.

Follows the adventures of the four Bobbsey children as they celebrate Christmas, rescue their cat, and attend a friend's birthday party.

Through 12 easy-to-understand songs, kids take a musical adventure to learn the basics of chemistry.

Twins Liz and Lenny, along with their time-traveling grandmother, join a group of pioneers journeying west on the Oregon Trail in 1843.