★"A meaningful and heartwarming tale that shares lessons of goodwill, generosity, and gratitude" - Kirkus, starred review★ "This joyful collaboration will be equally enjoyed by children who already know about Hajj and by those who are learning of it for the first time" - School Library Journal, starred review So many people, so many languages.'Thank you' can be a simple smile, a friendly wave, a warm hug. Mariam is one of millions of people from all over the world who has come to Makkah for the annual pilgrimage of Hajj, and she overflows with excitement and awe. Mama tells her, "Hajj is a time to do good, share, and be thankful." But what good can Mariam do? That's it! She'll share Zamzam, blessed water from an ancient well, with everyone she meets. As Mariam shares her Zamzam throughout Hajj, she meets friends from all over the world. From fellow pilgrims, she learns new ways to say thank you, tries new foods and drinks, and discovers that when you share with and help others, someone will help you when you need it too. Takes place during the annual pilgrimage event in Saudi ArabiaCharacters from cultures across the world share foods and languagesLearn about appreciating differences within a communityDetailed endnotes unpack the cultural elements in the book, and explore Islamic traditions