Bysshe Coffey’s Shelley’s Broken World is a broad-ranging study: one part old-fashioned history of ideas; one part monograph on Shelley’s heretofore underappreciated practice of bringing much of his verse to life within the pauses and “limit-points” of sensory perception, cognition, and prosody―in the domain of the “[i]ntermittent states of being, vacancies, suspensions, strange immaterial formulations, [and] tenuous and porous networks” that “lace throughout his poetry” (8); and one part close reading of individual passages in several poems, carefully chosen to reinforce