When their father is kidnapped and danger looms, the Strega-Borgia children, their mysterious new nanny, and a giant tarantula use magic and actual trips through the Internet to bring peace to their Scottish castle.

Continues the childhood adventures in the Scottish countryside of seven-year-old Martha Morse who would grow up to become the great-grandmother of author Laura Ingalls Wilder.

Eleven-year-old Alice Mistlethwaite persuades her boarding school friends, Jesse and Fergus, to set out on an off-the-grid adventure in which they face storms, illness, injury, and international jewel thieves.

Traveling in the Scottish Highlands, Mandy rescues a Dales pony named Jewel who's been caught in a farmer's pumpkin patch. After meeting Jewel's owners, Mandy helps the pony overcome a fear that prevents her from competing in shows.

Callum becomes friends with Iona, a practically feral classmate who has discovered an osprey, thought to be gone from Scotland, on Callum's family farm, and they eventually share the secret with others, including Jeneba, who encounters the same bird at her home in Gambia.