Author · updated 2026 C.E. Tobisman Books in Order Every C.E. Tobisman book in publication order — 2 in total, spanning 2016–2017. By series By year Publication Order of Caroline Auden Books #TitleYearGet it 1 Doubt 2016 Amazon US UK 2 Proof 2017 Amazon US UK Every title by year All 2, oldest to newest #TitleYearGet it 1 Doubt 2016 Amazon US UK 2 Proof 2017 Amazon US UK As an Amazon Associate we earn from qualifying purchases.