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Ag Riddle Books
Showing 1-19 of 19
The Atlantis Gene (The Origin Mystery, #1)
by (shelved 15 times as ag-riddle)
avg rating 3.79 — 82,254 ratings — published 2013
Pandemic (The Extinction Files, #1)
by (shelved 9 times as ag-riddle)
avg rating 4.07 — 33,521 ratings — published 2017
The Atlantis World (The Origin Mystery, #3)
by (shelved 9 times as ag-riddle)
avg rating 4.01 — 33,821 ratings — published 2014
Genome (The Extinction Files, #2)
by (shelved 8 times as ag-riddle)
avg rating 4.17 — 17,878 ratings — published 2017
The Atlantis Plague (The Origin Mystery, #2)
by (shelved 8 times as ag-riddle)
avg rating 3.98 — 41,525 ratings — published 2013
Winter World (The Long Winter, #1)
by (shelved 7 times as ag-riddle)
avg rating 4.15 — 36,481 ratings — published 2019
Departure (Kindle Edition)
by (shelved 5 times as ag-riddle)
avg rating 3.88 — 21,816 ratings — published 2014
The Lost Colony (The Long Winter, #3)
by (shelved 4 times as ag-riddle)
avg rating 4.18 — 21,260 ratings — published 2019
The Solar War (The Long Winter, #2)
by (shelved 4 times as ag-riddle)
avg rating 4.25 — 21,264 ratings — published 2019
Lost in Time (Kindle Edition)
by (shelved 3 times as ag-riddle)
avg rating 4.17 — 30,140 ratings — published 2022
The Extinction Trials (Kindle Edition)
by (shelved 3 times as ag-riddle)
avg rating 3.97 — 19,052 ratings — published 2021
Antarctica Station (Kindle Edition)
by (shelved 2 times as ag-riddle)
avg rating 3.96 — 13,734 ratings — published 2024
Labyrinth (Kindle Edition)
by (shelved 1 time as ag-riddle)
avg rating 4.10 — 2,721 ratings — published 2025
Memorial Day 2020 (Kindle Edition)
by (shelved 1 time as ag-riddle)
avg rating 4.00 — 16 ratings — published 2020
Quantum Radio (Kindle Edition)
by (shelved 1 time as ag-riddle)
avg rating 4.08 — 17,568 ratings — published 2023
The Extinction Files: The Complete Series - Box Set (Kindle Edition)
by (shelved 1 time as ag-riddle)
avg rating 4.37 — 1,326 ratings — published 2019
Over My Dead Body (William Warwick, #4)
by (shelved 1 time as ag-riddle)
avg rating 4.08 — 30,404 ratings — published 2021
The Atlantis Trilogy Box Set (The Origin Mystery, #1-3)
by (shelved 1 time as ag-riddle)
avg rating 4.17 — 803 ratings — published 2016
Onward, Voyager! (Kindle Edition)
by (shelved 1 time as ag-riddle)
avg rating 3.88 — 34 ratings — published 2015
