This is the plastic-comb binding edition. This book, also available in perfect binding is available here.

A New Settlement of Old Scores, by John Brunner (comb binding)

A New Settlement of Old Scores, by John Brunner (comb binding)
    Code: 0-915368-26-9
    Price: $8.00
    Shipping Weight: 1.02 pounds
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    A New Settlement of Old Scores, by John Brunner (perfect binding)
    A New Settlement of Old Scores, by John Brunner (perfect binding)
    Code: 0-915368-22-6
    Price: $8.00
    Quantity in Basket: none