Depends on the edition - 144 in one paperback edition, 142 in another, and there are 129 in a hardback edition.
"Summer of the Swans" by Betsy Byars has 144 pages.
A Company of Swans has 256 pages.
Leonardo's Swans has 358 pages.
Summer of the Swans was created in 1970.
After Many a Summer has 314 pages.
That Summer has 198 pages.
The illustrator for the book "The Summer of Swans" is E.B. Lewis.
The ISBN of Summer of the Swans is 0-14-031420-2.
A Song for Summer has 288 pages.
Engine Summer has 182 pages.
Summer - novel - has 194 pages.
Martian Summer has 341 pages.