★ In Korea, Siruk is a rapidly rising favourite in children's detective bridge books—a beloved character for young readers who love a good mystery! He is a handsome white rabbit detective, yet suffers from irritable bowel syndrome and constipation; he often strains until his whole body turns red, and only the moment he cracks the case does he return to his original white rabbit appearance. Behind this seemingly comical premise lies a wonderful contrast that children can instantly relate to.

★ The IP's bridge book editions have sold over 50,000 copies cumulatively, with rights sold to Simplified Chinese, Traditional Chinese, Thai, and more.

★ The Constipation Detective Siruk series, beloved by children and regarded as a representative work in detective stories for young readers, now launches a brand-new picture book edition. Bestselling children's author Lee Na-young and illustrator Park So-yeon team up once again to create a version specifically for young children, suitable for ages 4 to 7 to read with full attention from beginning to end.

★ Breaking free from the limitations of one-way reading in traditional picture books, it creates an immersive, interactive detective experience. The famous white rabbit detective Siruk and his chatty bird partner Soso lead young readers through various settings such as Sunflower Farm and the Chocolate Factory. Children must follow the story, search for clues in the illustrations, and solve puzzles—exercising observation, concentration, and logical thinking through playful engagement.

★ The picture book edition of Constipation Detective Siruk has had its Thai rights sold.

This series consists of 3 volumes:
Constipation Detective Siruk 1: The Missing Mackerel Porgy Doll
Constipation Detective Siruk 2: The Missing Chocolate Cake
Constipation Detective Siruk 3: The Missing Sunflower Seeds

Constipation Detective Siruk 1: The Missing Mackerel Porgy Doll follows the constipated red rabbit detective Siruk and his talkative sparrow assistant Soso, telling stories of small everyday incidents that children might encounter in their lives. In a child's world, even the smallest things are immensely significant. Therefore, throughout their investigations, Siruk and Soso always uphold the principle: “See clearly, hear clearly, poop clearly!”—using their actions to soothe children's hearts. If children's eyes sparkle with curiosity, they can experience a sense of achievement through the reasoning and case-solving of Detective Siruk and his assistant Soso, while also cultivating the ability to think independently. This is a detective picture book that is not only full of fun, but also develops logical reasoning, deductive ability, and general knowledge.

Constipation Detective Siruk 2: The Missing Chocolate Cake tells the story of a kindergarten autumn picnic. As a master detective, Siruk possesses keen insight and can read the subtle emotional shifts of children, remaining calm and composed even when facing unexpected problems. His assistant Soso follows Siruk throughout, observing carefully and listening attentively to ensure no clue is missed. Curious readers will experience a unique sense of achievement and independent thinking through the reasoning and case-solving of Detective Siruk and Soso. Furthermore, perhaps children who suffer from constipation just like Siruk can also break free from the condition alongside him?

Constipation Detective Siruk 3: The Missing Sunflower Seeds revolves around a mystery involving Detective Siruk's favourite sunflower seed chocolate. One day, news arrives that the sunflower seeds at the Gosohe Farm have vanished into thin air. Detective Siruk is thrown into a panic and rushes to the farm with his assistant Soso to search for the missing sunflower seeds. Can Detective Siruk crack the case and continue enjoying his beloved Gosohe chocolate?
From golden sunflower fields to laboratories, chocolate factories, and experience zones! While exploring various spaces with Detective Siruk, searching for clues, and solving cases, readers can naturally develop observation and reasoning skills.

[Text] Lee Na-young
A renowned bestselling children's literature author in Korea. In 2012, she won the Munhakdongne Children's Literature Award for The Time Shop and officially began her writing career. She excels at capturing the subtle worries and emotions of children's inner worlds, and her stories are both deeply thematic and immensely entertaining, beloved by younger readers.

[Illustration] Park So-yeon
A rising Korean children's picture book illustrator who maintains a long-standing, harmonious collaboration with Lee Na-young. She excels at using exaggerated lines, bright and vivid colours, and humour-filled character expressions (such as vividly portraying a rabbit straining red from constipation) to inject powerful visual impact and comedic effect into the stories.