There are some recent updates available at sandowplus.co.uk (great site for those who are new around here). Updates are regularly posted at the link below:
For example, Bob Hoffman’s 285 page Functional Isometric Contraction book is now available in its entirety. It can either be read online, or downloaded as a PDF. Scroll to the bottom of his archive page to find relevant links:
I’ve also updated the isometric link seen below with links to Hoffman’s book.