Trevor Chappell few days later [Austin] Robinson, Dennis' manager, rang and said, "Do you want to join World Series Cricket" and I said, "Yeah, where do I sign?"" In 1977–78 Chappell played ten games for WSC Australia in the Country Cup, scoring 339 runs, more than any other Australian batsman, although his average was only 26. A highlight was a 110 he scored against the West Indies in Albury. He also scored 56 off 300 minutes against a World XI in a Lismore game which resulted in him being booed by the crowd for slow scoring. "Trevor Chappell batted exceptionally well and
Ian Chappell seven years. Chappell's battles against the short-pitched bowling of Snow during the season compelled him to reappraise his game. Following a conversation with Sir Donald Bradman, he decided to reinstate the hook shot and spent the winter months practising the stroke by hitting baseballs thrown by his brother Greg. Although he still regularly lost his wicket after playing the shot, Chappell felt that the psychological benefit of showing aggression to opposing bowlers offset the times that he was dismissed for a low score. Australia lost an unofficial Test series to a Rest of the World team led by Gary Sobers