diff --git a/convert.py b/convert.py
index 728ea11..a1b4b61 100644
--- a/convert.py
+++ b/convert.py
@@ -86,11 +86,18 @@
 
 # courses.json is sorted by dept > course > sec > time block
 # build data (to be rooms.json) sorted by building > room > class
+
+#crnlist.json:
+#{CRN: [{Building: .., Time:.., RoomNum:..},{Building: .., Time:.., RoomNum:..}]}
+crnlist = {}
+crnToTitleList = {}
 for dept in input:
   for course in dept['courses']:
     numSecs = len(course['sections'])
     hasSecs = True if numSecs > 1 else False
     for sec in course['sections']:
+      crnlist[sec['crn']] = sec['timeslots']
+      crnToTitleList[sec['crn']] = sec['title']
       for block in sec['timeslots']:
         roomName = block['location'] # room name
         act, cap = sec['act'], sec['cap']
@@ -113,6 +120,9 @@
               # Adding sections... beware duplicates and crosslisted!
               if hasSecs and secNum not in room[time][2]: room[time][2].append(secNum) 
 
+with open("crnlist.json", 'w') as file: json.dump(crnlist, file)
+with open("crntotitle.json", 'w') as file: json.dump(crnToTitleList, file)
+
 with open("access.json", 'r') as f: access = json.load(f)
 with open("printers.json", 'r') as f: printers = json.load(f)
 
diff --git a/crnsearch.py b/crnsearch.py
new file mode 100644
index 0000000..b317748
--- /dev/null
+++ b/crnsearch.py
@@ -0,0 +1,32 @@
+import json
+
+with open("crnlist.json", 'r') as f:
+    crndata = json.load(f)
+
+with open("crntotitle.json", 'r') as f:
+    titles = json.load(f)
+    
+flag = True
+while(flag):
+    crn = input("Enter CRN:")
+    dataDict = crndata[crn][0]
+    title = titles[crn]
+
+    print("Course Title: " + title)
+    print("Instructor: " + dataDict['instructor'])
+    print(title + " runs " + dataDict['dateStart'] + " to " + dataDict['dateEnd'])
+    print(title + " meets on " + str(dataDict['days']) + " from " + str(dataDict['timeStart']) + " to " + str(dataDict['timeEnd']))
+    print(title + " is held at " + dataDict['location'])
+    print()
+
+    resFlag = False
+    while(resFlag == False):
+        askAgain = input("Search another course? (Y or N)")
+        if(askAgain == 'Y' or askAgain == 'y'):
+            print("----------------------------------------")
+            resFlag = True
+        elif(askAgain == 'N' or askAgain == 'n'):
+            print("Thank you for using CRN Search Shell")
+            resFlag = True
+            flag = False
+