Teacher:Given a text, write a compressed version of it in a single sentence.
Teacher: Now, understand the problem? Solve this instance: It is not at once apparent why the book is styled an almanac, but that is unimportant: there is no other book I know of that contains as much diverse information about American writers as this one.
Student:
It isn't clear why the book is styled an almanac: no other book I know contains as much diverse information about American writers as this one.