Esme lives with her grandparents on the uppermost floor of the topmost best building. It's her birthday. Mimi and Pipo gave her a beautiful guitar. But they didn't plan a birthday party. Esme thinks this is the way with grandparents. They don't know about parties or pi¨atas or birthday cake. No problem! Esme is great at problem solving. With the help of her cat, El Toro, and a LOT of help from her neighbours in the topmost best building, the irrepressible Esme gets the birthday party of her dreams.