It is called Dog-eared.
dogeared
a reciprocal.It's called it reciprocal.
Having turn down pages means folding the corner of a page to mark where you left off in a book or document. It helps you easily find your place when you return to reading.
rotate
use your finger and scroll down, it can be used for making pages go down e.t.c
The Moon Is Down has 188 pages.
Shuttle Down has 216 pages.
She turned him down
Down to a Sunless Sea has 320 pages.
Man Gone Down has 431 pages.
Johnny Gone Down has 324 pages.
The Stars Look Down has 701 pages.