diff --git a/.idea/workspace.xml b/.idea/workspace.xml
index 07c2c10..e9b54a4 100644
--- a/.idea/workspace.xml
+++ b/.idea/workspace.xml
@@ -3,6 +3,7 @@
   <component name="ChangeListManager">
     <list default="true" id="37dc1861-899d-4bf2-8d5f-5f15145ed4ca" name="Default Changelist" comment="">
       <change beforePath="$PROJECT_DIR$/.idea/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/workspace.xml" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/out/production/BookApp/com/github/book_folding_app/BookFolder.class" beforeDir="false" afterPath="$PROJECT_DIR$/out/production/BookApp/com/github/book_folding_app/BookFolder.class" afterDir="false" />
       <change beforePath="$PROJECT_DIR$/src/com/github/book_folding_app/BookFolder.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/com/github/book_folding_app/BookFolder.java" afterDir="false" />
     </list>
     <ignored path="$PROJECT_DIR$/out/" />
@@ -17,8 +18,8 @@
       <file pinned="false" current-in-tab="true">
         <entry file="file://$PROJECT_DIR$/src/com/github/book_folding_app/BookFolder.java">
           <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="140">
-              <caret line="103" column="16" lean-forward="true" selection-start-line="103" selection-start-column="16" selection-end-line="103" selection-end-column="16" />
+            <state relative-caret-position="300">
+              <caret line="15" column="27" selection-start-line="15" selection-start-column="27" selection-end-line="15" selection-end-column="27" />
               <folding>
                 <element signature="imports" expanded="true" />
                 <element signature="method#get_str#0;class#BookFolder#0" />
@@ -105,7 +106,7 @@
   </component>
   <component name="PropertiesComponent">
     <property name="android.sdk.path" value="$USER_HOME$/AppData/Local/Android/Sdk" />
-    <property name="com.android.tools.idea.instantapp.provision.ProvisionBeforeRunTaskProvider.myTimeStamp" value="1550186757400" />
+    <property name="com.android.tools.idea.instantapp.provision.ProvisionBeforeRunTaskProvider.myTimeStamp" value="1550187494268" />
     <property name="last_opened_file_path" value="$PROJECT_DIR$" />
     <property name="project.structure.last.edited" value="Artifacts" />
     <property name="project.structure.proportion" value="0.15" />
@@ -194,8 +195,8 @@
     <entry file="file://$PROJECT_DIR$/src/bookFold.java" />
     <entry file="file://$PROJECT_DIR$/src/com/github/book_folding_app/BookFolder.java">
       <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="140">
-          <caret line="103" column="16" lean-forward="true" selection-start-line="103" selection-start-column="16" selection-end-line="103" selection-end-column="16" />
+        <state relative-caret-position="300">
+          <caret line="15" column="27" selection-start-line="15" selection-start-column="27" selection-end-line="15" selection-end-column="27" />
           <folding>
             <element signature="imports" expanded="true" />
             <element signature="method#get_str#0;class#BookFolder#0" />
diff --git a/out/production/BookApp/com/github/book_folding_app/BookFolder.class b/out/production/BookApp/com/github/book_folding_app/BookFolder.class
index 4bffb21..87c5d11 100644
Binary files a/out/production/BookApp/com/github/book_folding_app/BookFolder.class and b/out/production/BookApp/com/github/book_folding_app/BookFolder.class differ
diff --git a/src/com/github/book_folding_app/BookFolder.java b/src/com/github/book_folding_app/BookFolder.java
index e0affb4..b7c6d0f 100644
--- a/src/com/github/book_folding_app/BookFolder.java
+++ b/src/com/github/book_folding_app/BookFolder.java
@@ -12,7 +12,10 @@ public class BookFolder {
     private short tolerance;
     private Scanner scanner = new Scanner(System.in);
 
-    //get_image()
+    // Retrieves specified image as a 2D array of greyscale pixels
+    private int[][] get_img() {
+
+    }
 
     // Gets string input from user
     private String get_str(String message) {
@@ -30,11 +33,13 @@ private float get_num(String message, float min, float max) {
                 if (num >= min && num <= max) {
                     break;
                 } else {
-                    System.out.format("ERROR: Input must be between %.4f and %.4f\n", min, max);
+                    System.out.format("ERROR: Input must be between %.4f and %.4f", min, max);
+                    scanner.next();
                 }
             }
             else {
-                System.out.println("ERROR: Input must be a number\n");
+                System.out.println("ERROR: Input must be a number");
+                scanner.next();
             }
         }
         return num;
@@ -50,11 +55,13 @@ private short get_num(String message, short min, short max) {
                 if (num >= min && num <= max) {
                     break;
                 } else {
-                    System.out.format("ERROR: Input must be between %d and %d\n", min, max);
+                    System.out.format("ERROR: Input must be between %d and %d", min, max);
+                    scanner.next();
                 }
             }
             else {
-                System.out.println("ERROR: Input must be a number\n");
+                System.out.println("ERROR: Input must be a number");
+                scanner.next();
             }
         }
         return num;
@@ -99,9 +106,10 @@ private float get_height(float num, float px_height, float height) {
     private void run() {
         // Get dimensions from user input
         img_name = get_str("\nEnter filename of image\n" +
-                " This image should be black--and-white only\n");
+                " This image should be black--and-white only\n" +
+                " And must be in the current directory\n");
         height = get_num("\nEnter page height in inches\n",
-                0, Float.MAX_VALUE);
+                0, Float.MAX_VALUE); // Change this from MAX_VALUE to something reasonably big
         num_pages = get_num("\nEnter number of pages in book\n" +
                 " Numbered pages (with different numbers on front and back) will count as a single page\n" +
                 " Be sure to include non-numbered pages\n", 0, Float.MAX_VALUE);