The Pensions Advisory Group (funded by the Nuffield Foundation) has produced a FREE guide to pensions for divorcing couples. It's a technical subject, and the guide runs to 160 pages, which may make it too complex for some of its intended target audience. OTOH, it contains a wealth of information.
It's available here:
https://www.nuffieldfoundation.org/p...-working-group
It's available here:
https://www.nuffieldfoundation.org/p...-working-group