Publishers
- Quadrille Publishing 1
- Quality Paperback Book Club 1
- Qualprint 1
- Quartet Books 1
- Queen Anne Press 4
- Queensgate Publications 3
- Quelle & Meyer 1
- Quercus 3
- Quicksilver Communications, Inc. 1
- Quiller Press 5
- Quills Publishing 1
- Quist Publishing Ltd. 1
- Quixote Press 1
- Quoin Publishing Ltd 1
- Quota Press, Belfast 1
- Quotes Limited 3