Open Library
Mystery
Every answer hides another question.

A Master of Mysteries, The Brotherhood of The Seven Kings and The Dead Hand
L. T. Meade

The Taming of a Scottish Princess (Hurst Amulet #4)
Karen Hawkins
Qi huan du shi chuan shuo
Xuan an zhen cha zu
Poison pen at Jug Valley Juniors
Anne Digby
14 Hours on Express "Hakucho"
Kyotaro Nishimura
Mr. Clackworthy Within the Law
Christopher B. Booth
Sawn asunder
William Arthur Wordsworth
Murder at the Royal Ruby
Nita Prose
Transcendence and mystery
Earl D. C. Brewer
Dark Need
Clarissa Wild
Hit and Run (Mike & Riel Mysteries) (Mike and Riel Mysteries)
Norah McClintock
London Calling
Deborah Grabien
Dead and Kicking
Wendy Roberts
Betty Bliss in The Hurry-Up Mystery
Ellis Parker Butler
Die Götter waren Astronauten!
Erich von Däniken
Saga Horizon
Fadli Al-Akiti
The Heart of a Mother
Julie Clark
Los crimenes de Boulevard Park
David Arboledas Brihuega
City of Lies
Alafair Burke
Warriors of the Andes (Avalon Adventure)
Clifford Blair