Consider the Frommer's Italy from $90 a Day Image Above

Consider the Frommer's Italy from $90 a Day image above.Travelers throughout the world have relied on Frommer's guides,which outline out-of-the-way,inexpensive restaurants and hotels.This guide provides invaluable __________ to these establishments.

A) direct sales
B) publicity
C) direct marketing
D) personnel selling
E) public service announcement