In this story told mostly through letters, Noah Breth's feuding children come to Ghastly, Illinois, to follow a trail of limericks to their inheritance, while Seymour tries to convince Iggy and Olive to let him keep Mr. Breth's dog.

In this story told mostly through letters, busybody Dick Tater tries to ban Halloween and ghost stories, as well as to break up the popular writing team of I. B. Grumply, ghost Olive C. Spence, and eleven-year-old illustrator Seymour Hope.

When film producer Moe Block Busters offers to make their book into a movie, Iggy, Olive, and Seymour head to Hollywood where Olive, furious at being written out of the script, enlists the help of a famed femme fatale to scare the despicable director half to death.

"Twelve-year-old Seymour Hope and his ghostly 'mother' Olive go to Scotland to claim a castle inherited from Ignatius Grumply's punster uncle, Ian, but while they tend an aged tortoise and face an unscrupulous developer, Iggie deals with Ian's ghost and an inept insurance agent." --