-
The unexplained : mysteries, cryptids, ghosts, and UFOs
-
What do we know about crop circles?
-
Crop circles
-
Unexplained! : 347 strange sightings, incredible occurrences, and puzzling physical phenomena
-
A history of the unexplained
-
Is it real? The Loch Ness monster
-
Crop circles
-
Catching cryptids : the scientific search for mysterious creatures
-
That's creepy : spine-tingling facts that will test your creep-out factor
-
Extreme alien stories
-
What do we know about the Yeti?
-
Weird but true! World 2025 : incredible facts, awesome photos, and weird wonders--for this year and beyond!
-
The big book of mysteries
-
Weird but true! World 2024 : incredible facts, awesome photos, and weird wonders-- for this year and beyond!
-
Weird but true! 8 : 350 outrageous facts
-
Weird but true! 9 : 350 outrageous facts
-
Book of world records 2026
-
2025 book of world records
-
Scholastic book of world records 2023
-
Crash from outer space : unraveling the mystery of flying saucers, alien beings, and Roswell
-
Guinness world records 2024
-
Stuff kids should know the mind-blowing histories of (almost) everything
-
Frightlopedia : an encyclopedia of everything scary, creepy, and spine-chilling, from arachnids to zombies
-
Lost : stories of people, places, and things lost throughout history
