diff --git a/ch01python/010exemplar.ipynb.py b/ch01python/010exemplar.ipynb.py
index 688b6ada..27c4cbe1 100644
--- a/ch01python/010exemplar.ipynb.py
+++ b/ch01python/010exemplar.ipynb.py
@@ -43,6 +43,9 @@
 # By combining them we can feel really powerful but doing minimum work ourselves. The python syntax to import someone else's library is "import".
 
 # %%
+# install geopy if it is not already installed
+%pip install geopy
+
 import geopy # A python library for investigating geographic information.
 # https://pypi.org/project/geopy/
 
diff --git a/ch02data/110Capstone.ipynb.py b/ch02data/110Capstone.ipynb.py
index b520c6a3..45396f1c 100644
--- a/ch02data/110Capstone.ipynb.py
+++ b/ch02data/110Capstone.ipynb.py
@@ -30,6 +30,9 @@
 
 # %%
 # %%writefile greengraph/graph.py
+# install geopy if it is not already installed
+%pip install geopy
+
 import numpy as np
 import geopy
 from matplotlib import pyplot as plt
diff --git a/ch04packaging/010Installation.ipynb.py b/ch04packaging/010Installation.ipynb.py
index 7371c3b0..db50e0f1 100644
--- a/ch04packaging/010Installation.ipynb.py
+++ b/ch04packaging/010Installation.ipynb.py
@@ -65,6 +65,9 @@
 # Now, close the Jupyter notebook if you have it open, and reopen it. Check your new library is installed with:
 
 # %%
+# install geopy if it is not already installed
+%pip install geopy
+
 import geopy
 geocoder = geopy.geocoders.Nominatim(user_agent="mphy0021")