Light Thickens
| Book | Light Thickens |
| First Published by | William Collins Sons & Co Ltd. |
| Publisher | Fontana Paperbacks |
| Printed and Bound by | William Collins Sons & Co Ltd. |
| Series | Roderick Alleyn |
| Format | Paperback |
| Language | English |
| Location | Canada |
| First Published In Paperback | 1984 |
| This Edition Published | 1989 |
| Pages / Font | 251 pages |
| ISBN 10 | 0006167934 |
| Barcode (EAN) | 9780006167938 |
| EAN 5 | 00295 |
| Impression/Printing No. | 2nd |
Added by WiebeVancamp · Last edited by thethrowback