diff --git a/packages/epubjs/src/managers/default/index.js b/packages/epubjs/src/managers/default/index.js
index cbc0311c..6406c560 100644
--- a/packages/epubjs/src/managers/default/index.js
+++ b/packages/epubjs/src/managers/default/index.js
@@ -481,13 +481,24 @@ class DefaultViewManager {
     ) {
       this.scrollLeft = this.container.scrollLeft
 
-      left =
-        this.container.scrollLeft +
-        this.container.offsetWidth +
-        this.layout.delta
+      // `offsetWidth` includes borders while `scrollWidth` and `clientWidth`
+      // describe the inner scrollable area. Mixing them can make the last
+      // page unreachable because of rounding or border-width differences.
+      const maxScrollLeft = Math.max(
+        0,
+        this.container.scrollWidth - this.container.clientWidth,
+      )
+      const epsilon = 1
+      const currentPage = Math.round(
+        this.container.scrollLeft / this.layout.delta,
+      )
 
-      if (left <= this.container.scrollWidth) {
-        this.scrollBy(this.layout.delta, 0, true)
+      if (this.container.scrollLeft < maxScrollLeft - epsilon) {
+        this.scrollTo(
+          Math.min((currentPage + 1) * this.layout.delta, maxScrollLeft),
+          0,
+          true,
+        )
       } else {
         next = this.views.last().section.next()
       }
@@ -585,8 +596,9 @@ class DefaultViewManager {
 
       left = this.container.scrollLeft
 
-      if (left > 0) {
-        this.scrollBy(-this.layout.delta, 0, true)
+      const currentPage = Math.round(left / this.layout.delta)
+      if (currentPage > 0) {
+        this.scrollTo((currentPage - 1) * this.layout.delta, 0, true)
       } else {
         prev = this.views.first().section.prev()
       }
@@ -675,7 +687,10 @@ class DefaultViewManager {
                 }
               } else {
                 this.scrollTo(
-                  this.container.scrollWidth - this.layout.delta,
+                  Math.max(
+                    0,
+                    this.container.scrollWidth - this.container.clientWidth,
+                  ),
                   0,
                   true,
                 )
@@ -839,9 +854,13 @@ class DefaultViewManager {
       )
 
       let totalPages = this.layout.count(width).pages
-      let startPage = Math.floor(start / this.layout.pageWidth)
+      // Treat sub-pixel and border rounding near a page boundary as that page.
+      const positionEpsilon = 1
+      let startPage = Math.floor(
+        (start + positionEpsilon) / this.layout.pageWidth,
+      )
       let pages = []
-      let endPage = Math.floor(end / this.layout.pageWidth)
+      let endPage = Math.floor((end + positionEpsilon) / this.layout.pageWidth)
 
       // start page should not be negative
       if (startPage < 0) {