Molly, who recently emigrated with her family from Russia to New Jersey, learns about birthday parties and who her real friends are.

Cyrus McCormick patented and manufactured the reaper, an important 19th century invention that dramatically improved the efficiency of wheat farming. While McCormick did not invent the reaper solely by himself, he did refine and popularize it. His company eventually became the International Harvester Company.

Laine does not think it makes any difference if she is a few minutes late, and she usually is, even if that causes problems for other people, including her best friend, Tess.

Nancy and her friends try to find the thief who is stealing apples from the Kids Apple Festival.

Nancy Drew investigates when a flowerbed outside of a zoo's monkey cage is damaged.

It's volunteer week at Carl Sandburg Elementary school, and Nancy is very exxcited about her job. She will be walking Mrs. Rutledge's dog, Baby. Mrs. Rutledge owns the biggest, fanciest house in River Heights. And she also owns the smallest one-a beautiful antique dollhouse. Nancy loves the tiny furniture and little windows of the dollhouse almost as much as she loves walking Baby. But one day, five pieces of doll furniture are missing, and Mrs. Rutledge...

Nancy tries to prove that the class pet Bun is not the one wrecking the class's Spring Fair projects.

Ben's constant dependence on others to do things for him like remembering his homework and textbooks is threatened when his mother refuses to continue her role in supporting his negligence.

Deb, worried that her reading problems will keep smart boys from liking her, realizes her kindness and helpful spirit are also very appealing.

Someone is trying to sabotage Nancy's class' field trip to the zoo.