diff --git a/Resources/Prototypes/Nyanotrasen/Entities/Markers/Spawners/Random/books.yml b/Resources/Prototypes/Nyanotrasen/Entities/Markers/Spawners/Random/books.yml
index 4188a8dd768..09c4053dc34 100644
--- a/Resources/Prototypes/Nyanotrasen/Entities/Markers/Spawners/Random/books.yml
+++ b/Resources/Prototypes/Nyanotrasen/Entities/Markers/Spawners/Random/books.yml
@@ -70,6 +70,7 @@
       - BookBotanicalTextbook
       - BookGnominomicon
       - BookFishing
+      - BookFishops # DeltaV - fishops book
       - BookDetective
       - BookSalvageEpistemics1 # Nyanotrasen - Epistemic Lore Book
     rareChance: 0.25
diff --git a/Resources/Prototypes/Nyanotrasen/Entities/Objects/Specific/Mail/mail.yml b/Resources/Prototypes/Nyanotrasen/Entities/Objects/Specific/Mail/mail.yml
index efc26f80b67..e0761b7d40d 100644
--- a/Resources/Prototypes/Nyanotrasen/Entities/Objects/Specific/Mail/mail.yml
+++ b/Resources/Prototypes/Nyanotrasen/Entities/Objects/Specific/Mail/mail.yml
@@ -111,6 +111,8 @@
       prob: 0.10
     - id: BookGnominomicon
       prob: 0.2
+    - id: BookFishops # DeltaV - fishops book
+      prob: 0.2
     - id: BookSalvageEpistemics1
       prob: 0.025