Book 50


Book 51


Book 52


Book 53


Book 54


Book 55


Book 56


Book 57


Book 58


Book 59


Book 60


Book 61


Book 62


Book 63


Book 64


Book 65


Book 66

Panther Mystery

by Gertrude Chandler Warner

Published 1 January 1998
When the Alden children and their grandfather visit Everglades National Park in Florida to solve the mystery of a missing ranger, they discover that a panther provides a clue.

Book 67


Book 68


Book 69

The Aldens investigate when the arrival of several suspicious characters in Greenfield coincides with a mystery involving a popular boy actor.