longer list of pairs of books:

1) david mitchell's cloud atlas and margaret atwood's oryx and crake.
2) geoff dyer's but beautiful and richard powers' the time of our singing
3) andre gide's strait is the gate and graham greene's the end of the affair
4) ignacio padilla's amphitryon and paulo maurensig's the luneburg variation
5) joan aiken's midnight is a place and russell hoban's the mouse and his child
6) halldor laxness' the fish can sing and the opening essays of eliot weinberger's karmic traces
7) harry mulisch's the procedure and richard powers's galatea 2.2
8) pat barker's regeneration and siegfried sassoon's memoirs of an infantry officer.