1. But I Digress: The Exploitation of Parentheses in English Printed Verse
by Lennard, John 
Price: USD 1027.98
Dealer: Abebooks, Iridium_Books
Description: ISBN10: 0198112475, ISBN13: 9780198112471, [publisher: Clarendon Press] Hardcover 0198112475 [DH, SE, Spain] [Publication Year: 1992]  

2. But I Digress The Exploitation of Parentheses in English Printed Verse (Hardback)
by Lennard, John 
Price: USD 1598.34
Dealer: Abebooks, Iridium_Books
Description: ISBN10: 0198112475, ISBN13: 9780198112471, [publisher: Clarendon Press] Hardcover [DH, SE, Spain] [Publication Year: 1992]