Frank and Jess's scheme to earn money by hiring themselves out as revenge seekers seems like a good one until they discover they are in competition with a witch.

"... the beady-eyed, green-tongued witch Truda Hangnail spreads evil along her path to succeed Queen Bluebell, enlisting the kingdom's rats and shrinking the good witches of Wadingburn to pave her way to the throne. Luckily, a sweet-natured orphan named Loobly is witness to Truda's evil spells and sets off to fetch help."--Jacket flap. When the quill writes "Go Go Go" frantically on the wall, and the House of the Ancient Crones heaves Gracie Gillypot...

The little green witch's three friends are too lazy to help her tend the pumpkin seeds she has planted, but when they all want to eat the pumpkin pie that she makes, the witch exacts her revenge. Inspired by the story of the Little red hen.

When Angie, a student at Washington Irving Elementary School, turns into a witch, she must figure out how to pass the power along to the right person--before it lands in the hands of the wrong person.

Eldest of three sisters in a land where it is considered to be a misfortune, Sophie is resigned to her fate as a hat shop apprentice until a witch turns her into an old woman and she finds herself in the castle of the greatly feared wizard Howl.

Mr. Gnome is a grumpy little fellow. He's really quite rude and he is definitely NOT cute. So when Miss Witch asks him to kindly stop fishing in her pond, Mr. Gnome is in danger of finding out exactly what happens to gnomes who say 'NO!'

The neighbor next door is different-she is a witch. However, the children discover that she is kind, thoughtful, entertaining and all-in-all a wonderful neighbor even when she casts spells now and then.

Once again Geronimo Stilton is pulled into the Kingdom of Fantasy, where he is needed to fulfill the ancient Gemstone Prophecy, and prevent Scorcher, the evil Empress of Witches, from obtaining the Royal Sapphire which will give her immense power.