Ages 7 to 9 years. Book 3 is capable of enhancing the problem solving capabilities of little learners. The book contains exercises based on six topics like Pattern Completion, Measuring Units, Geometrical Shapes, Series Completion, Embedded Figures and Coding-Decoding. All the chapters contain wonderful exercises through which childrens’ reasoning capabilities and sharp skills useful in solving problematic queries will be enhanced. The content of the book is clubbed together with amazing images to attract the attention of the readers. Altogether, a wonderful book to enhance learning and reasoning abilities of children.