Ibrahim Khan & the Mystery of the Roaring Lion - Adventure Book for Kids - Perfect for Bedtime Stories & Classroom Reading" （注：由于原始标题看起来像是一本书名而非商品名称，我假设这是一本儿童冒险书籍并进行了相应优化。如果实际商品类别不同，请提供更多信息以便更准确优化）

Tree forts, maple trees—and roaring lions? When Yousuf hears ferocious roaring lions and creepy laughing hyenas in his backyard, he calls the best detectives he knows: Ibrahim and Zayn Khan! With the help of their trusty brown sack, they search for clues and bit-by-bit piece together this extraordinary mystery. Join the third-grade detective duo as they solve the thrilling case of the roaring lion!