Description: This is the story of Grootuggi's birthday. Today is Grootuggi's birthday, but Grootuggi has forgotten how old he is! How will Grootuggi figure out his own age? This picture book comes from Miwa Nakaya, the author of the bestselling "Kuro Kureyon (Black Crayon)." Her stories are beloved for their adorable characters designed to match a young child's perspective, imaginative and charming storytelling, and warm lessons and themes. This newly published Grootuggi series continues that tradition, offering a heartwarming story with an endearing, familiar character.