"Monumental inscriptions (pre 1855) in Clackmannanshire"
by John Fowler Mitchell and Sheila Mitchell
published 1968 by the Scottish Genealogy Society.
"Old Clackmannanshire: a description of old buildings illustrated with sketches, photographs, plans and a map"
by A.I.R. Drummond, published at Alloa, 1953.
A more recent book which may be of interest is Adam Swan's "Clackmannan and the Ochils" published in 1987 as part of the RIAS series of architectural guides to Scotland. The book is well illustrated with hundreds of photographs and contains short descriptions and historical notes on many places.
Web sites of local interest are:
See individual parish and town pages for other local web-sites.
More general information about Clackmannanshire, including some of its more illustrious children, and its settlements can be found at The Edinburgh University Gazetteer.