Ron Roy

A is for author ... Dink writes to his favorite author, mystery writer Wallis Wallace, and invites him to visit Green Lawn. To Dink's amazement, Wallace says he'll come! But when the big day arrives, Wallace is nowhere to be found. The police think he just missed his plane, but Dink suspects foul play. It's up to Dink and his two best friends, Josh and Ruth Rose, to find the famous writer--before it's too late!

When Dink, Josh, and Ruth Rose visit Washington, D.C., just before Christmas, they are inadvertently caught up in a kidnapping plot that was intended for the president's dog, but also involves the president's stepdaughter and her friend Marshall.

When the guests of the Shangri-La Hotel are scared away by a white-haired female ghost, Dink and his friends investigate the mystery.

KC discovers that the President of the United States has been replaced by a clone and sets out with her friend Marshall, on a dangerous mission to set things right.

KC and Marshall investigate the theft of a precious emerald, brought by representatives of the Chinese government to bring luck to two baby tigers born at the National Zoo.

Seven-year-olds Bradley, Brian, Nate, and Lucy make observations and gather clues that convince them that their older siblings, cousin, and animals have been captured by hungry space aliens.

Dink, Josh, and Ruth Rose help catch the thieves who have stolen the treasure from the museum's mummy exhibit.

KC tries to uncover the White House spy who is leaking secrets about the upcoming wedding of her mother and the president.

When Leonard Fisher claims to be the long-lost heir to the Smithsonian fortune, KC and Marshall set out to prove that he is a phony.

KC and her friend Marshall accompany KC's stepfather, the United States President, to remote Camp David, where they find clues that point to either ghostly or criminal activity.