Ruby Rosemount and the Travellers Telescope

From Author Wars - https://authorwars.com/publications/ruby-rosemount-and-the-travellers-telescope-429756.html

Overview:

Title: Ruby Rosemount and the Travellers Telescope
Author: Jodie Brownlee
Year: 2006
ISBN-10: 1862916241
Publisher: Omnibus Books / Scholastic Australia
Price: A$
Pages: 277
Binding: Trade Paperback
Type: Novel
Title Reference: Ruby Rosemount and the Travellers Telescope
Notes:
- There is no apostrophe in "Travellers" in the title; also, it is double L.
- No printed price.
- First printing - from number line.
- 2006 from printing history on copyright page; also inferrable from the year line.
- The cover is printed with a prismatic-effect background and hasn't scanned well. It looks to the eye more like the image on the Worldcat record linked below.
- The artist of the map is uncredited, but assumed to be by the author because she is also an artist/designer.