Shapes are everywhere, and math students get a chance to explore shapes and their attributes, all while having fun. Familiar storylines and relatable contexts help students practice various principles of geometry, such as composing two-dimensional shapes, decomposing and partitioning shapes, and distinguishing between defining and non-defining attributes. Bright visuals reinforce the essential math concepts that every geometry student must master. In this narrative, Jackson's having a surprise party, and the shapes he sees at his party will teach him, and readers, how to distinguish between defining and non-defining attributes. This volume satisfies CCSS Math Standard 1.G.A.1. This book should be paired with "e;Surprise Party!"e; (9781477721032) from the Rosen Math Readers Program to provide the alternative point of view on the same topic.