Martin Day is the author of this inspirational book "Secrets Of Fighting Fit Exposed". He served for 20 years in the British Army as an instructor including time with Special Forces and is a 6th Dan Karate Black Belt Master and is the founder of Combat Karate and Elite Self Defence in Australia. In his book he shows everyone from 8 to 80 how to achieve optimum fitness, strength and flexibility by following his battle proven bodyweight conditioning exercises. The unique exercises that Martin has devised and demonstrates in his Combat Battle Group series will amaze you with their effectiveness and the results that are able to be achieved by training for just 20 minutes a day. This unique book holds the key to unlocking military and martial arts secrets to losing weight, getting in shape, gaining strength & power and feeling and looking great...there is nothing else like his 'combination exercises' for that 'chiseled power & confidence out there!