Meghan Markle held up the copy of Duck! Rabbit! which had a sticker on which said Archie's Book Club.
Harry and Meghan handled the birth of Archie in a different way to William and Kate's birth announcements.
Dr Jane Goodall - who was interviewed last year by the Duke of Sussex for Vogue - has suggested he always intended to give his son a more regular upbringing.
Royal fans were keen to see a new picture of the Duke and Duchess of Sussex's ten-month-old son.
The Duke of Sussex flew out from the UK after attending the UK-Africa Investment Summit in London.
For every beanie the socially-conscious company knits in its community groups, another is donated to someone in need.
The Duke and Duchess of Sussex are enjoying an active festive period.
The four-month-old attended his first royal tour engagement along with his parents Meghan Markle and Prince Harry.
The Duchess of Sussex's father, Thomas Markle, has given a revealing interview about the rift with his daughter Meghan.
The Duchess of Sussex is said to have flown to the Spanish island to celebrate her birthday with her husband and son.