1: Paul Kleihues, Elisabeth Rushing, and Hiroko Ohgaki: The 2016 revision of the WHO classification of tumours of the central nervous system 2: Brian O'Neill, Jeffrey Allen, Mitchell S. Berger, and Rolf-Dieter Kortmann: Astrocytoma subtypes of children and adults: Pilocytic astrocytoma, pleomorphic xantoastrocytoma, and subependymal giant cell astrocytoma 3: Michael Weller, Michael Brada, Tai-Tong Wong, and Michael A. Vogelbaum: Diffuse astrocytoma, anaplastic astrocytoma, glioblastoma, and gliomatosis cerebri 4: Wolfgang Wick, Colin Watts, and Minesh P. Mehta: Oligodendroglial tumours 5: Mark R. Gilbert and Roberta Ruda: Ependymal tumours 6: Maria Santos, Eric Bouffet, Carolyn Freeman, and Mark M. Souweidane: Choroid plexus tumours 7: Martin J. van den Bent, Frederic Dhermain, and Walter Stummer: Astroblastoma, angiocentric glioma, and chordoid glioma 8: Riccardo Soffietti, Hugues Duffau, Glenn Bauman, and David Walker: Neuronal and mixed neuronal-glial tumours 9: Roger E. Taylor, Barry L. Pizer, Alba A. Brandes, and Stephen Lowis: Embryonal and pineal tumours 10: Joerg-Christian Tonn and Douglas Kondziolka: Tumours of the cranial nerves 11: Rakesh Jalali, Patrick Y. Wen, and Takamitsu Fujimaki: Management of meningiomas 12: M. Yashar S. Kalani, Sith Sathornsumetee, and Charles Teo: Other tumours of the meninges 13: Tracy Batchelor, Oussama Abla, Zhong-ping Chen, Dennis C. Shrieve, and Samar Issa: Lymphomas and hematopoietic neoplasms 14: Claire Alapetite, Takaaki Yanagisawa, and Ryo Nishikawa: Germ cell tumours 15: Scott R. Plotkin, Jaclyn A. Biegel, David Malkin, Robert Martuza, and D. Gareth Evans: Familial tumour syndromes-A 16: Hiroshi Kanno and Joachim P. Steinbach: Familial tumour syndromes-B (von Hippel-Lindau disease) 17: Howard Weiner and Peter B. Crino: Tuberous sclerosis complex 18: Edward R. Laws, Jr., Whitney W. Woodmansee, and Jay S. Loeffler: The multidisciplinary management of pituitary disorders 19: Matthias Preusser, Gabriele Schackert, and Brigitta G. Baumert: Metastatic brain tumours 20: David Schiff, Jonathan Sherman, and Paul D. Brown: Metastatic tumours - Spinal cord, plexus, peripheral nerve 21: Marc C. Chamberlain, Stephanie E. Combs, and Soichiro Shibui: Neoplastic meningitis: Metastases to the leptomeninges and cerebrospinal fluid