In this issue of Neurosurgery Clinics, guest editors Drs. David D. Limbrick and Jeffrey Leonard bring their considerable expertise to Chiari I Malformation. Top experts in the field cover key topics such as comorbidities associated with Chiari I malformation; orthostatic intolerance and Chiari I malformation; clinical manifestations of Chiari I malformation; imaging in Chiari I malformation; posterior fossa decompression for Chiari I malformation; and more.<ul><li><p>Contains 21 relevant, practice-oriented topics sociodemographics of Chiari I malformation; Chiari I malformation and sleep disordered breathing; complex Chiari: diagnosis, evaluation, and treatment; new insights into craniovertebral junction instability in Chiari I malformation; spine deformity associated with Chiari I malformation and syringomyelia; and more. </p></li><li><p>Provides in-depth clinical reviews on Chiari I malformation, offering actionable insights for clinical practice. </p></li><li><p>Presents the latest