This issue of Neurosurgery Clinics, guest edited by Drs. Guy McKhann and Hugues Duffau, with consulting editors Russell R. Lonser and Daniel K. Resnick, will focus on Low-Grade Glioma. Topics includes, but are not limited to, Epidemiology and Molecular Epidemiology; WHO Pathological and Molecular Classification; Molecular Pathogenesis; Glioma Cell Migration and Heterogeneity; Clinical Presentation, Natural History, and Prognosis; LGG Epilepsy; MRI, fMRI, DTI, Molecular Imaging; Brain Mapping Techniques in LGG; Surgical Adjuncts to Increase EOR iMRI, Flourescence, Raman Histology; Mapping Cognition and Emotion; Extent of Resection; EOR vs Molecular Classification; Chemotherapy Treatment and Trials; Radiotherapy Treatment and Trials; Higher Order Surgical Questions; and Building a Glioma Practice.