Thanks Kate, have had a look at Amazon now, he's got tons of books out hasn't he? But I'm afraid he doesn't have any research published in the peer reviewed medical literature at all (I've looked in the US National Library of Medicine and the National Institutes of Health). I would have to say I'm quite sceptical after reading some of the info available, to be honest it sounds like one mans theory rather than a well recognised and researched approach. I wouldn't place any value at all on any outcomes supposedly achieved from this therapy approach given that he hasn't subjected his work to peer review at all. Sorry. If I was you I'd look into the Bobath approach, it is developmentally focussed and also looks at stages of development and movement precursors (eg you crawl before you walk). I know that probalby wasn't what you wanted to hear, but I do wish your niece all the best and it sounds like she's overcome some enormous hurdles early on to be doing so well now.