Here I am again for the last time!
1.Margaret Baxter's first product that is magazine.
2.The sorcerer from Australia.
3.This chap is not a city slicker.
4.First in quality loses five and gains 1.
Had a nagging doubt about the "that is", which didn't fit. In Latin it's ie. Add it to "Jam" and you get Jamie, which is a UK magazine http://www.jamieoliver.com/magazine/