Just for Fun has 262 pages.
My Idea of Fun has 309 pages.
"Fun Home" by Alison Bechdel has 240 pages in its paperback edition.
A Theory of Fun for Game Design has 256 pages.
Late Show Fun Facts - book - has 240 pages.
Just Relations has 502 pages.
He's Just Not That into You has 304 pages.
Just David has 324 pages.
Just After Sunset has 367 pages.
Just Kids has 278 pages.
Just in Case has 240 pages.
A Supposedly Fun Thing I'll Never Do Again has 353 pages.
Just Like That - novel - has 410 pages.