বড় রহস্য কী?:W Hy You Need to Know...সোনালি শেনয়ের সময়কাল

In this lighthearted, educational story, eleven-year-old Aditya becomes increasingly curious about the mysterious "brown paper packages" his sister Rhea receives. The awkward reactions from his family—Mama blushing, Pa choking on coffee, and Dadi fuming—only make him more determined to uncover the truth. With the help of his friends, Naveen and Vinay, Aditya sets out to solve the mystery. But when Vinay brings an ink-absorbing napkin to school, Aditya becomes even more puzzled—doesn’t Rhea use pens?

This fun and accessible book offers kids an easy way to understand puberty and female anatomy, encouraging open conversations about periods and breaking the silence around the topic.