The Bobbsey Twins at the Country Fair is a children's book by Laura Lee Hope, first published in 1922. It is part of the Bobbsey Twins series, which follows the adventures of two sets of twins: Bert and Nan, who are eight years old, and Flossie and Freddie, who are four. In this installment, the Bobbsey family is excited to attend the country fair. They enjoy seeing the different exhibits, riding the Ferris wheel, and eating delicious food. But the fun really begins when Bert and Nan enter the pony race and Flossie and Freddie participate in the pet show. They are determined to win, but they face tough competition. Meanwhile, there is a mystery to be solved. A valuable horse has been stolen from the fairgrounds, and the Bobbsey twins are determined to help find the thief. With the help of their friends and their quick thinking, they eventually solve the case and recover the stolen horse. Throughout the book, the Bobbsey twins learn about responsibility, teamwork, and the importance of doing the right thing. The story is filled with adventure, humor, and valuable life lessons that children can relate to.