diff --git a/package-lock.json b/package-lock.json
index ddc252d..c6877bb 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "@d-i-t-a/reader",
-  "version": "1.1.0",
+  "version": "1.0.11",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
@@ -2494,7 +2494,8 @@
         "ansi-regex": {
           "version": "2.1.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "aproba": {
           "version": "1.2.0",
@@ -2515,12 +2516,14 @@
         "balanced-match": {
           "version": "1.0.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "brace-expansion": {
           "version": "1.1.11",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "balanced-match": "^1.0.0",
             "concat-map": "0.0.1"
@@ -2535,17 +2538,20 @@
         "code-point-at": {
           "version": "1.1.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "concat-map": {
           "version": "0.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "console-control-strings": {
           "version": "1.1.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "core-util-is": {
           "version": "1.0.2",
@@ -2662,7 +2668,8 @@
         "inherits": {
           "version": "2.0.3",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "ini": {
           "version": "1.3.5",
@@ -2674,6 +2681,7 @@
           "version": "1.0.0",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "number-is-nan": "^1.0.0"
           }
@@ -2688,6 +2696,7 @@
           "version": "3.0.4",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "brace-expansion": "^1.1.7"
           }
@@ -2695,12 +2704,14 @@
         "minimist": {
           "version": "0.0.8",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "minipass": {
           "version": "2.3.5",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "safe-buffer": "^5.1.2",
             "yallist": "^3.0.0"
@@ -2719,6 +2730,7 @@
           "version": "0.5.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "minimist": "0.0.8"
           }
@@ -2806,7 +2818,8 @@
         "number-is-nan": {
           "version": "1.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "object-assign": {
           "version": "4.1.1",
@@ -2818,6 +2831,7 @@
           "version": "1.4.0",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "wrappy": "1"
           }
@@ -2903,7 +2917,8 @@
         "safe-buffer": {
           "version": "5.1.2",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "safer-buffer": {
           "version": "2.1.2",
@@ -2939,6 +2954,7 @@
           "version": "1.0.2",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "code-point-at": "^1.0.0",
             "is-fullwidth-code-point": "^1.0.0",
@@ -2958,6 +2974,7 @@
           "version": "3.0.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "ansi-regex": "^2.0.0"
           }
@@ -3001,12 +3018,14 @@
         "wrappy": {
           "version": "1.0.2",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "yallist": {
           "version": "3.0.3",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         }
       }
     },
diff --git a/package.json b/package.json
index b90b044..c57ae3c 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@d-i-t-a/reader",
-  "version": "1.1.0",
+  "version": "1.0.11",
   "description": "A viewer application for EPUB files.",
   "repository": "https://github.com/d-i-t-a/R2D2BC",
   "main": "src/index.js",
diff --git a/src/navigator/IFrameNavigator.ts b/src/navigator/IFrameNavigator.ts
index 2df179f..693208a 100644
--- a/src/navigator/IFrameNavigator.ts
+++ b/src/navigator/IFrameNavigator.ts
@@ -1265,7 +1265,7 @@ export default class IFrameNavigator implements Navigator {
             const position: Locator = {
                 href: this.publication.getAbsoluteHref(this.previousChapterLink.href),
                 locations: {
-                    progression: 0
+                    progression: 1
                 },
                 type: this.previousChapterLink.type,
                 title: this.previousChapterLink.title
diff --git a/src/views/ScrollingBookView.ts b/src/views/ScrollingBookView.ts
index 36955e5..723b0c7 100644
--- a/src/views/ScrollingBookView.ts
+++ b/src/views/ScrollingBookView.ts
@@ -40,7 +40,7 @@ export default class ScrollingBookView implements ContinuousBookView {
     private getScreenHeight(): number {
         const windowTop = window.scrollY;
         const windowBottom = windowTop + window.innerHeight;
-        return windowBottom - windowTop
+        return windowBottom - windowTop - 100
     }
 
     public readonly name = "scrolling-book-view";