Here are 4 great places to buy cheap English books in Japan. They also make for good options to sell or trade any books of your own.
The Ultimate Guide To Tokyo
Best Japanese children's books in English
Kodansha International's Bilingual Books Series
Books to Read Before Traveling to Japan: 11 Top Picks
English books for learning Japanese: let's awkward sentences!
Where can I get cheap English books in Japan? - Quora
Japanese books book shop in hi-res stock photography and images - Alamy
Where to Get English Books in Sapporo – Highlighting Hokkaido
Metropolis Japan
Top 10 English bookstores in Tokyo
Return to Japan by Elizabeth Gray Vining - Hardcover - 5th ptg - 1960 - from Twin City Antiquarian Books (SKU: TRJP00001)
Books to Read Before Traveling to Japan: 11 Top Picks
Used Book in Good Condition Highlight, take notes, and search in the book In this edition, page numbers are just like the physical edition
Nihongi; Chronicles of Japan from the Earliest Times to AD 697 (Tut Books. H) (English, Chinese and Japanese Edition)