This series, sponsored by the European Association of Neurosurgical Societies, has already become a classic. In general, one volume is published per year. The advances section presents fields of neurosurgery and related areas in which important recent progress has been made. The technical standards section features detailed descriptions of standard procedures to assist young neurosurgeons in their post-graduate training. The contributions are written by experienced clinicians and are reviewed by all members of the editorial board. TOC:Advances:H Duffau: Brain plasticity and tumors.- M N Pamir, K Özduman: Tumor-biology and current treatment of skull-base chordomas.- B Krischek, M Tatagiba: The influence of genetics on intracranial aneurysm formation and rupture: current knowledge and its possible impact on future treatment.Technical Standards:P Cappabianca, LM Cavallo, F Esposito, O de Divitiis, A Messina, E de Divitiis: Extended endoscopic endonasal approach to the midline skull base: the evolving role of transsphenoidal surgery.- G Blaauw, RS Muhlig, JW Vredeveld: Management of brachial plexus injuries.- P-H Roche, P Mercier, T Sameshima, H-D Fournier: Surgical anatomy of the jugular foramen
