Yes , the exercise one is by a different author . Margaret Martin a PT that has focused on osteoporosis for years has a few books on exercise , but as windyshores mentioned Melioguide, or more precisely the link http://www.melioguide is Margaret Martin’s VERY extensive place of information regarding exercise and much more. For example, she gives tips on protective ways to do very day living activities like how to shovel snow , or how to take a turkey out of an oven if really involved … and soo much more!!! Check it out !! She has tons of stuff on you-tube. Does monthly live screens in varying topics. Check it out!! Good luck!!