Bowling ball to skid longer before reacting (hooking). Reactive cover stocks finishes include "matte" (aggressive reaction), "shiny" (longer skid distance than matte finish), "pearl" (greatest skid distance among reactive cover stocks), and "hybrid" (combination of skid distance and back end reaction). Duckpin balls weigh each, with up to three balls delivered per round (or "frame") of bowling for one bowler. The duckpin ball has a maximum diameter of , slightly larger than a candlepin ball but, like a candlepin ball, contains no finger holes. Duckpins are correspondingly shorter and lighter than their ten-pin equivalents and it is more difficult to knock them
Ten-pin bowling ten-pin magazines and news services are the international and world-renowned "Bowling Digital News", the international "Bowlers Journal Online" and the "International Bowling Industry". Specific American magazines of note are the "Bowling This Month" magazine and the "Bowling Digest". Additionally, other than books written by bowling instructors on the coaching and training of the sport, books on the humorous and historical side of ten-pin bowling have become extremely popular. Some of these include "A Funnier Approach", "The Funniest Approach", "Bowled Over", "The New Bowling Trivia Book", "Two For Stew" and "The Tour Would Be Great". Ten-pin bowling has been referenced in