"Sargasso of Space" by Andre Norton has approximately 160 pages in most editions.
A mango shaped space is typically worth 5 AR points.
The Mango Tree has 211 pages.
The L-Shaped Room - novel - has 269 pages.
Heart-Shaped Box - novel - has 406 pages.
The Space Merchants has 179 pages.
The Currents of Space has 217 pages.
Islands of Space has 224 pages.
Beachheads in Space has 320 pages.
Space on My Hands has 224 pages.
A Hole in Space has 196 pages.
S Is for Space has 239 pages.