Meghan Markle is "sending a coded message" through her new children's book The Bench, according a royal expert.The Duchess of Sussex announced she's penned a book inspired by her 36 year old husband Prince Harry and their two year old son Archie's close bond.The book features a stunning illustration by award-winning artist Christian Robinson that shows a father with red hair dressed in Army uniform as he's reunited with his son, who he holds up in the air in joy.