abstract:Michael Holt (born 1929) is a UK author of puzzle and quiz books for children, including several Doctor Who related quiz books and Crisis In Space in the Make Your Own Adventure with Doctor Who series. He was also the co-author of Puffin Books' Big Book of Puzzles series.
Hamilton, who recovered from 9-5 down to edge MichaelHolt 10-9 in the final qualifying round of the world championship last week, compiled breaks of 92, 47, 68, 87 and 77.