An eccentric like all Helmsleys, eleven-year-old Archer escapes his overprotective mother and recruits two friends, Oliver and Adelaide, to help him plan a rescue of his long-lost grandparents, world-famous explorers who disappeared atop an iceberg in the Antarctic.
- ISBN10 0062320947
- ISBN13 9780062320940
- Publish Date 29 September 2015
- Publish Status Active
- Out of Print 6 August 2021
- Publish Country US
- Publisher HarperCollins Publishers Inc
- Imprint HarperCollins
- Format Hardcover
- Pages 368
- Language English
- URL http://harpercollins.com.au/9780062320940