A year after his previous encounter with the mummy, Gabe flies back to Egypt to attend the grand public opening of the pyramid Uncle Ben was excavating in the last book. Nila Rahmad, a reporter for the Cairo Sun, accompanies Uncle Ben as he opens the tomb. After finding a live mummy, Nila reveals that she is the mummy's sister and is over 4000 years old.
Brooke and Zeke are aspiring thespians who get the roles of Esmerelda and the Phantom respectively in their school play. During a rehearsal, a masked man comes swooping down from the catwalk and disappears down the trap door. When Zeke is accused of being the masked man, he is kicked out of the play, but the masked man continues to make appearances.
Skipper Matthews is a comic book collector who enjoys reading his favorite comic book, the Masked Mutant. The Masked Mutant is an evil supervillain who can change his molecular form into any solid material. He is constantly opposed by a league of superheroes lead by the Galloping Gazelle, the world's fastest man. Skipper finds the Masked Mutant's headquarters and becomes a comic book character. He must rescue the Galloping Gazelle and save the world by defeating the Masked Mutant.
Todd Barstow loves collecting worms and is often assisted by his best friend Danny who doesn't quite share his enthusiasm. One day, Todd cuts a worm in half, but soon regrets it as the worms start to take their revenge.
Siblings Jodie and Mark have arrived at the train station for their annual month-long visit to their grandparents' farm. Stanley, the hired help, shows the kids the scarecrows, which he made by following the instructions in his special superstition book. As time goes on, Jodie and Mark discover that the scarecrows sometimes come to life.
