This study aims to investigate whether detailed and illustrated information (comics) about anaesthesia reduce preoperative anxiety in children being subjects to craniotomy.

Children scheduled for craniotomy are randomized to groups receiving a comic leaflet explaining the course of anaesthesia before preanaesthesia visit or no intervention.

Preoperative anxiety is assessed with anxiety scale STAIC for the two groups of participants.

Inclusion Criteria:

• Male or female children between 6 to 16 years and 11 month old.
• Children scheduled to have a craniotomy or orthopaedic surgery (multi-level surgery, spinal decompression, osteosarcoma resection, column surgery , fibroid curettage, Nuss bar procedure, hip varus surgery) or visceral and urologic surgery (intestinal continuity restoration, hypospadias surgery, bladder malformation, sarcoma).
• Children with a high, normal or light level of verbal comprehension (normal academic level or less than two repeating).
• Children coming with their parents.

Exclusion Criteria:

• Previous surgery.
• Unwillingness to participate (parents or child)