Tregenza travelled widely with her husband and two children, living for many years in Cyprus, Dubai and Sharjah, where she worked in the library of the American School of Dubai and then taught conversational English to local girls before returning to the United Kingdom to study at the University of Bristol.

[2] As a result, the book she submitted, Tarantula Tide, about young sleuths in Shetland, was published by Floris, on 16 October 2008.

[5] Published 2014 by Firefly Press,[6] Illustrated by Xavier Bonet, cover design Zoe Draws Things.

Published 15 September 2017 by Firefly Press,[6] illustrated by Xavier Bonet, cover design Zoe Draws Things.

'Oxford Reading Tree Word Sparks: Level 8: Stargazey Pie - Oxford Reading Tree Word Sparks' Published 26th Oct 2020 Tregenza's son (Ross Tragenza) works in video game music and helped compose the soundtrack for TimeSplitters: Future Perfect, The Crysis Series and Deathloop where the soundtrack was nominated for a BAFTA in 2022 and for an award at The Game Awards 2021.