Siren Beat / Roadkill

From Author Wars - https://authorwars.com/publications/siren-beat--roadkill-421894.html

Overview:

Title: Siren Beat / Roadkill
Author: Tansy Rayner Roberts, Robert Shearman
Year: 2009
ISBN-10: 9780980484168
Publisher: Twelfth Planet Press
Price: A$10.00
Pages: 54+50
Binding: dos
Type: Anthology
Title Reference: Roadkill
Notes:
- (Record for the probably correct ISBN:)
- ISBN on the cover barcode is 9780980484144. This is also the ISBN of Horn by Peter M. Ball - [here].
  Copyright page has 9780980484168, as does the publisher's website - [here].
  This double was published after Horn, so 9780980484168 is probably the correct ISBN for the double.
- tp size.
- "Siren Beat" is 54 pp (highest numbered page, but starts on page 5 on its side of the book); "Roadkill" is 50 pp (highest numbered page, but starts on page 9 on its side of the book).