Quick Qs: Author R.A. Spratt on ‘Friday Barnes: Girl Detective’ July 16, 2014 By raspratt Quick Qs: Author R.A. Spratt on ‘Friday Barnes: Girl Detective’. My friend Wendy wrote a blog entry about me. Check it out! Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window) Related About raspratt Author and television writer. Best known for writing the 'Peski Kids', 'Friday Barnes' and 'Nanny Piggins' series.