Big books have insides starting with file:

commands/everyone.py

@@ -7,7 +7,7 @@ from commands.command import Command
 from evennia.commands.default.general import CmdGet, NumberedTargetCommand
 from evennia.commands.default.muxcommand import MuxCommand
 from evennia.contrib.rpg.rpsystem import send_emote
-from evennia.utils import iter_to_str, logger
+from evennia.utils import evmore, iter_to_str, logger
 
 from typeclasses.characters import Character
 from typeclasses.tutorial import TutorBird, TutorialState
@@ -478,7 +478,13 @@ class CmdRead(Command):
 
         book = self.find_readable(self.caller, target_str)
         if book:
-            self.caller.msg(book.db.inside)
+            contents = book.db.inside
+            if contents.startswith("file:"):
+                filename = contents[5:]
+                with open(filename, "r") as myfile:
+                    evmore.msg(self.caller, myfile.read())
+            else:
+                self.caller.msg(contents)
 
 
 class CmdTake(CmdGet, NumberedTargetCommand):

world/alchemy-book.md

@@ -0,0 +1,20 @@
+Covered in herbs, mushrooms and moss, this land invites me to produce potions. To work such craft, one must have the proper equipment, which I imported from Twilight Spire outside Mistwood. Most experiments have been successful, and I record them here.
+
+|BEver Laughter|n
+
+While saccharine, this potion induces a state of euphoria finding everything, including one's own thoughts, hilarious.
+
+|wIngredients|n
+
+  - 2 Gigglecap mushrooms
+  - 4 Brambleberries
+  - 1 bottle of bubblefizz water
+
+Step 1, |gcrush|n the brambleberries into a paste
+Step 2. |gadd|n all ingredients to the caldron
+Step 3. |gmix|n under a low heat
+Step 4. |gbottle|n the concoction into a vial
+
+...interestingly, the rest of the book is blank...
+
+|bNote: This is still a work in progress... What do you think of this idea? You would gather herbs and whatnot, put them in the cauldron and then make potions! Seems intriguing...|n