An action-packed, rip-roaring adventure - full of strange surprises and heart-warming family fun, from the unique imagination of beloved music legend Paul McCartney.

Lucy spotted a picture of Nandude, their adventurous grandmother.
"When will we see her again?" asked Bob.
"Perhaps we could go on an adventure to find her!" said Em.

From Paul McCartney's legendary imagination comes this action-packed, rip-roaring adventure.

Packed full of strange surprises, hilarious illustrations and heart-warming family fun. And there are plenty of delightful Beatles references that small (and big) Fab Four fans will adore.

Jump aboard Grandude's magical green submarine and join the quest to find Nandude, following her musical trail around the world and deep beneath the sea. This celebration of fab grandparents is the perfect gift for younger readers.

Praise for New York Times Number 1 Bestseller Hey Grandude!

A charming tale from the music legend - with the most glorious illustrations that will be enjoyed by old and young - THE SUN

Sure to take pride of place on any little one's bookshelf - OK MAGAZINE