Crossword Clue:

A notice to readers in a book

Answer	Crossword Clue
IMSORRYBUTTHE	Beginning of a private message that all the readers of the A.V. Club now get to listen in on
SHAHPENNER	To assist him in writing a neat book, the ruler used a ..
WALDO	Hard-to-find character in a book

ONPOP	Where to hop, in a Dr. Seuss book
BABAR	Animal visitor to Paris in a classic children's book
FLYPAPER	Material in a book you might not be able to put down
DOUBLEDAY	Big name in American book publishing for 120+ years ... and a hint to the answers to the starred clues