Basil of Baker Street mysteries

Basil, and unusual English mouse detective, and his friend, Mr. Dawson, solve the mystery of the kidnapped twins. Grades 3-5.

The mouse who lives in Sherlock Holmes' cellar heads to the lost island of Kataarh to unravel the mystery of a race of miniature cats and their mouse king.

Headed for the Grand Canyon to investigate a mystery at a hotel, Basil finds himself involved in dangerous adventures as he tries to foil the schemes of a ruthless smuggler.

"With Sherlock Holmes away on a case, Basil and Doctor Dawson find themselves at loose ends until an urgent message arrives: Basil's services are required by the noblemice of Marlborough House! Marlborough House is the home of Edward, the Prince of Wales (second child and eldest son of Queen Victoria) who lives there with various children and family members. Unbeknownst to the human royals, there is a corresponding clan of noblemice living there...