Author of multiple books about Pittsburgh's public staircases including 'The Steps of Pittsburgh' and 'Pittsburgh Steps: The Story of the City's Public Stairways'.
Author of 'Chicago Stairways: The History and Landmarks of Chicago's Unique Public Steps' documenting the city's overlooked staircase infrastructure.
Author of multiple guidebooks documenting the extensive network of public staircases in Oakland, Berkeley, and the East Bay hills.
Specialized books examining spiral staircase design, engineering, and architectural history including geometric principles and construction methods.
Collection of architectural books examining staircase design, history, engineering, and cultural significance including works by Friedrich Mielke and others.