From breakfast to dinner, dusk to dawn, children will love spending the day with this curious lion cub. The One Day on Our Blue Planet series by Ella Bailey is a new set of children’s books focused on the way our young animal friends spend a day, beginning with a curious lion cub. Minding his mother and playing with his father, this little lion can’t help chasing trouble and fun as he explores the little corner of that big blue planet he shares with us.