The town's ten-year-old walking encyclopedia again solves ten neighborhood mysteries. The final solutions to the cases are at the back of the book, giving the reader a chance to compare his skill to that of Encyclopedia Brown.

Nancy goes undercover at the exclusive Green Club when George's cousin, a candidate for city council, is targeted by a mysterious saboteur who threatens the plans to build a new sports complex.

When Black Creek Farm's food is discovered to be contaminated, Nancy Drew comes in to investigate whether or not the food has been sabotaged.

Dan Cahill and his sister Amy travel from the hottest to the coldest regions of the world in order to stop someone from using their own power against them.

When someone steals the proceeds of a charity gala aboard a restored riverboat, it's up to Nancy, Bess, and George to find the thief before the clock runs out.

When Nancy, Bess, and George work as camp counselors for a week, Nancy investigates a mystery surrounding the drowning death of a camper years ago in the lake.

When Charlie Hitchcock, the smartest kid at school, gets a note from the school bully, Tyler Yu, demanding a meeting, he fears the worst--but it turns out that Tyler wants him to solve the mystery of the missing magician at the Abracadabra Hotel.

A bookstore fire seems suspiciously like the plot of a bestselling author's mystery stories.

"Copper Inskeep holds Windydown Vale's deepest and darkest secret: he is the ghoul that haunts the Vale, donning a gruesome costume to scare travelers and townsfolk away from the dangers of the surrounding swamps. When a terrified girl claims she and her father were attacked by a creature--one that could not have been Copper--it threatens not just Copper's secret, but the fate of all Windydown."-- Amazon