In the Russian shtetl where she and her family live, Hannah is given a diary for her tenth birthday, and in it she records the dramatic story of her journey to America.
Angus, a little dog with big dreams, wants to do what no dog has done before and fly, but first he must convince his owners, Orville and Wilbur Wright, to build a flying machine for him.
Seaman, a Newfoundland dog, is purchased by Meriwether Lewis in the early 1800s, and soon finds himself a member of the crew on the grand and historic exploration of the Louisiana Purchase.
In 1829, nine-year-old Victoria begins a journal chronicling her life as an English princess. Includes information on the reign, marriage, and family life of Queen Victoria and English civilization during that period.
Late in 1848, nine-year-old Joshua McCullough starts a second journal, this time recording events in Willamette Valley, Oregon Territory, as his family and others they met on the trail begin to get settled.
Princess Kazunomiya, half-sister of the Emperor of Japan, relates in her diary and in poems the confusing events occurring in the Imperial Palace in 1858, including political and romantic intrigue.
While helping Stacey move back into her house in Stoneybrook, Mallory and Claudia find an old trunk containing the diary of a girl who lived in Stacey's house in the 1890's.