Dinosaur Alert!

NANCY DISCOVERS DINOSAUR FOOTPRINTS IN HER OWN BACKYARD! The most annoying boys in Nancy's class offer her a deal. If she can prove that a giant footprint they've found on the school grounds was really made by a dinosaur, they'll stop teasing her and her friends -- forever! Always ready to take on a case, Nancy agrees, though she thinks the boys are wrong. Dinosaurs never roamed River Heights -- or did they? But then she gets a mean note: "Don't go where you don't belong!" When Nancy finds huge