diff --git a/book/.bash_profile b/book/.bash_profile
new file mode 100644
index 0000000..ab0b877
--- /dev/null
+++ b/book/.bash_profile
@@ -0,0 +1,2 @@
+touch ~/.netrc | chmod og-rw ~/.netrc | echo machine urs.earthdata.nasa.gov >> ~/.netrc
+echo login ${EARTHDATA_USERNAME} >> ~/.netrc | echo password ${EARTHDATA_PASSWORD} >> ~/.netrc
\ No newline at end of file