Difficult Riddles For Smart Kids: 300 Difficult Riddles And Brain Teasers Families Will Love (Books for Smart Kids)

source https://www.amazon.com/Difficult-Riddles-Smart-Kids-Families/dp/1546595902/ref=zg_bs_books_23/135-2285664-0998553?_encoding=UTF8&psc=1&refRID=Q0CY57XSWG8S7F3H0P1F