You are browsing the MCS online catalogue. All profits go to support the work of the Marine Conservation Society. Marine Conservation : Books : Good Fish Guide The MCS Good Fish Guide If you like to eat seafood but are concerned about the impact this may have on stocks, marine wildlife and habitats, then the MCS Good Fish Guide will help you choose fish which minimise these impacts. 2nd Edition. £10.00 (price includes p & p) Price:  £10.00 Marine Conservation : Books : Good Fish Guide The Marine Conservation Society (MCS) is the only UK charity dedicated to caring for our seas, shores and wonderful marine wildlife.