ISBN-13: 9780759651463 / Angielski / Miękka / 2002 / 164 str.
In its sesquicentennial year, Greentree, Indiana, purchases a portable classroom to alleviate overcrowding at Centennial School. However, prize persimmon trees growing nearby prevent the portable classroom (dubbed "Sesqui") from installing toilets. When Sesqui secedes from Centennial, the fun begins.