The Beatles singer and bassist Paul McCartney has shared a new announcement on Instagram, and announced that his new kid book, Hey Grandude, has released today.

Here’s what he wrote on Instagram today:

“Edward Marshall Senior here! I have four grandchildren – I call them Chillers, and they call me Grandude. Come and join us on a magical rollercoaster ride today…🎢

Pick up your copy of #HeyGrandude from all good bookshops or online here.”

Check out the Instagram post below.

In addition, Paul also shared a Youtube video which he giving the details of that book. You can watch it below.