"ASHRAE Design Guide for Tall, Supertall and Megatall Building Systems," authored by Peter Simmonds, covers buildings therein defined as tall (300+ ft), supertall (984+ ft), and megatall (1,968+ ft). In addition to architectural design, façade systems, and climate data, major sections cover such topics as IAQ and thermal comfort, HVAC systems, vertical transportation, and more. Book also includes multiple appendices with examples, design criteria, and systems descriptions.