The series Le Letture ELI Serie Bianca is adressed to students between the ages of 11 and 15. Carefully graded by level, from elementary to intermediate, the series contains different types of narration, from puzzle solving to teen fiction and role-play. Each volume contains games and activities. Alla ricerca dellamico scomparso + CD Puzzle Solving 11-13 years of age (Elementary level) Guglielmo, a clever inventor, has been kidnapped. The twins Nico and Camilla go searching for him. A fun-filled story which lets students learn and memorise vocabulary in an enjoyable way. Activities and various multidisciplinary, linguistic and logistic games make learning basic Italian a global, lively experience.