Plus One on Time is an excellent croquet book for the aspiring Association Croquet player and deals with tactical skills for players in the 18 to 6 handicap range.
The book is laid out clearly and has sections for different handicap ranges. It present information and analysis for the various levels of abilities; the author identifies which parts would suit the 12+, 8+ and 6+ handicap ranges. Separate chapters deal with the End Game and Pegged-out & One-ball games. Additionally advice is offered on hampered shots and other tactical niceties.