Book excerpt: This issue provides important updates on the management of disorders of the anorectum and pelvic floor. Expert authors provide information on hemorrhoidal issues, anorectal anatomy and imaging techniques, fissure and anal stenosis, rectal prolapse, and anal abscess and fistula. Other articles are devoted to sexually transmitted and infectious diseases, treatment of radiation proctitis, and pruiritis ani. Readers will come away with a full understanding of the current strategies for diagnosis and management of these disorders.