Lavender puzzle

After the mysterious disappearance of her parents, Lina discovers strange secrets about her grandfather, and gets involved in an adventure full of puzzles and dangerous secrets. Lina embarks on a journey from Japan to Russia then to Dubai to search for the compounds her grandfather invented. Will she succeed in solving the puzzles and uncovering the truth? And what is the connection between the language of flowers and the compounds? An exciting novel with fast-paced events, taking you on an enjoyable journey of suspense and mystery.