If you're interested in Iain M. Banks' works, here are some of his most notable titles:
Science Fiction (as Iain M. Banks):
* The Culture Series:
* Consider Phlebas
* The Player of Games
* Use of Weapons
* Excession
* Inversions
* Surface Detail
* Matter
* Transition
* The Hydrogen Sonata
* The Algebraist
* Look to Windward
* The Quarry
* The Hydrogen Sonata
* The Steep Approach to Garbadale
* The Universe Before
* Other works:
* Against a Dark Background
* Transition
* The Wasp Factory (his first novel, not science fiction)
Mainstream Fiction (as Iain Banks):
* The Wasp Factory
* Walking on Glass
* The Crow Road
* Whit
* Espedair Street
* The Business
* A Song for the Dead
* Transition
* The Steep Approach to Garbadale
If you're thinking of a different author named MacLeod, please provide more information, such as their full name or a book title they've written.