From the author-illustrator team behind the bestselling How to Babysit a Grandad comes a funny and vibrant picture book perfect for reading out loud at Halloween!This humorous new book in the beloved HOW TO . . . series takes readers through a spooky Halloween. Written in tongue-in-cheek instructional style, two trick-or-treaters give tips for scaring a ghost!Praise for How to Babysit a Grandad: 'Youngsters will thoroughly enjoy the tongue-in-cheek role reversal.' - School Library Journal Illustrated by the winner of the Red House Children's Book Award and a New York Times bestselling artist. The fun doesn't stop! Check out more How To... picture books: How to Babysit a Grandad, How to Babysit a Grandma, How to Surprise a Dad, How to Catch Santa, How to Raise a Mum and How to Scare a Ghost.