Nate and his dog Sludge try to solve a case on Halloween night and find themselves locked in a haunted house.

Once upon a time there was a little old lady who was not afraid of anything. Until one windy autumn night, while walking in the woods, she hears CLOMP, CLOMP ... a splendiferous Halloween story.

When sheep dress up to go trick-or-treating at a nearby farm, their costumes scare away some wolves lurking in the woods.

Hepzibah the witch raises a baby girl to cast spells and ride a broomstick but she still wants to be friends with other human children.

A little pumpkin dreams of the day when he will be a big, fierce, yellow pumpkin who frightens away the field mice as the scarecrow does.

An illustrated poem that describes some of the spooky events that occur on Halloween night.

On board pages.

It's Halloween on Mouse Island, and it seemed like everyone was out to get me, Geronimo Stilton! My cousin Trap kept pulling scary pranks on me. And then my sister Thea told me I had to write a book about Halloween in less than one day! Before you could say boo, my nephew Benjamin had dragged me to a graveyard to do research. There I met a very spooky mouse who -- yikes! -- tried to lock me up in her coffin! Oh, how would a 'fraidy mouse like me ever...