I found a good guide on youtube that helped me get this achievement. You do not need ALL the journals, only 10 of them.
Here is the first video for the Earlstone Yellow Zone area which contains 7 journals.
https://www.youtube.com/watch?time_continue=42&v=s2zWwdZ...Here is the second video for the Elmtree Red Zone area which contains 9 journals.
KicKnaZZ Games is the name of the youtube channel that made the videos. I in no way claim I made this. I am only sharing this with people who like me needed this achievement.