Paul McCartney has announced the release of ‘Grandude’s Green Submarine’ – his second picture book.A direct sequel to 2019’s ‘Hey Grandude’, the book is set for release on September 2 and continues the adventure of the eponymous grandfather and his grandchildren as they set off on a quest to find their music-loving grandmother, Nandude.McCartney previously explained that the lead character’s name is taken directly from the nickname that his grandchildren are known to call him.‘I’m really happy with how Hey Grandude!
was received as this was a very personal story for me, celebrating Grandudes everywhere and their relationships and adventures with their grandchildren,” McCartney said.“I love that it has become a book read to grandkids at.
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