Women detectives -- Australia -- Sydney (N.S.W.) -- Fiction. Missing persons -- Fiction. Mines and mineral resources -- Fiction.

Aircraft accidents -- New Jersey -- Juvenile fiction. Airships -- Germany -- Juvenile fiction. Survival -- Juvenile fiction. Aircraft accidents -- Fiction. Airships -- Fiction.

Asteroids -- Juvenile fiction. Crystals -- Juvenile fiction. Geodes -- Juvenile fiction. Glacial epoch -- Juvenile fiction. Prehistoric animals -- Fiction.

Grasslands -- Juvenile literature Life (Biology) -- Juvenile literature

Meteorites -- Juvenile literature. Meteors -- Juvenile literature.

Science -- Miscellanea. Technology -- Miscellanea. Basic English -- Readers.

Science -- Miscellanea. Technology -- Miscellanea. Basic English -- Readers.

Hiking -- Pacific Crest Trail. Rape victims -- United States -- Biography. Rape in universities and colleges. Pacific Crest Trail -- Description and travel. Matis, Aspen -- Travel -- Pacific Crest Trail.

Rocks -- Juvenile literature. Minerals -- Juvenile literature.

Rocks -- Juvenile literature Soils -- Juvenile literature

Ocean -- Juvenile literature. Marine animals -- Juvenile literature. Ocean. Marine animals.

Graphic novels. Comic books, strips, etc.