Le château d'Oz

♦ Make progress in arithmetic while experiencing an exciting adventure: free Lucie, the pretty fiancée, whom the vile lord Numéric keeps imprisoned in his castle.

♦ This is what this interactive novel offers, in which the young reader is himself the hero of the story: to decipher the enigmas, overcome the dangers and emerge victorious from the traps set for him, the child detective must solve calculation problems.

♦ To assist him in his investigation, a “Survival Notebook” is provided at the end of the book. There we find a reminder of the rules, an explanation of fundamental concepts, advice on method: everything you need to continue moving forward in the adventure.

♦ Excellent reading training and very stimulating help in reviewing and understanding essential concepts from CE1-CE2-CM1.

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