diff --git a/booklore-ui/src/app/features/readers/ebook-reader/layout/header/header.component.html b/booklore-ui/src/app/features/readers/ebook-reader/layout/header/header.component.html
index e850103b2..b6492fb42 100644
--- a/booklore-ui/src/app/features/readers/ebook-reader/layout/header/header.component.html
+++ b/booklore-ui/src/app/features/readers/ebook-reader/layout/header/header.component.html
@@ -1,27 +1,53 @@
 <div class="reader-header" [class.visible]="isVisible" [style.background]="currentTheme.bg" [style.color]="currentTheme.fg">
-  <button class="icon-btn" (click)="onShowChapters()" title="Chapters">
-    <app-reader-icon name="menu" [size]="20"></app-reader-icon>
-  </button>
-  <button class="icon-btn" (click)="onCreateBookmark()" [title]="isCurrentCfiBookmarked ? 'Remove Bookmark' : 'Add Bookmark'" [class.active]="isCurrentCfiBookmarked">
-    <app-reader-icon name="bookmark"></app-reader-icon>
-  </button>
-  <button class="icon-btn" (click)="onOpenSearch()" title="Search">
-    <app-reader-icon name="search"></app-reader-icon>
-  </button>
+  <div class="header-left">
+    <button class="icon-btn" (click)="onShowChapters()" title="Chapters">
+      <app-reader-icon name="menu" [size]="20"></app-reader-icon>
+    </button>
+    <button class="icon-btn" (click)="onCreateBookmark()" [title]="isCurrentCfiBookmarked ? 'Remove Bookmark' : 'Add Bookmark'" [class.active]="isCurrentCfiBookmarked">
+      <app-reader-icon name="bookmark"></app-reader-icon>
+    </button>
+    <button class="icon-btn" (click)="onOpenSearch()" title="Search">
+      <app-reader-icon name="search"></app-reader-icon>
+    </button>
+  </div>
   <span class="chapter-title">{{ bookTitle }}</span>
-  <button class="icon-btn" (click)="onOpenNotes()" title="Notes">
-    <app-reader-icon name="note"></app-reader-icon>
-  </button>
-  <button class="icon-btn" (click)="onToggleFullscreen()" [title]="isFullscreen ? 'Exit Fullscreen' : 'Fullscreen'">
-    <app-reader-icon [name]="isFullscreen ? 'fullscreen-exit' : 'fullscreen'" [size]="20"></app-reader-icon>
-  </button>
-  <button class="icon-btn" (click)="onShowControls()" title="Settings">
-    <app-reader-icon name="settings"></app-reader-icon>
-  </button>
-  <button class="icon-btn" (click)="onShowHelp()" title="Keyboard Shortcuts">
-    <app-reader-icon name="help" [size]="20"></app-reader-icon>
-  </button>
-  <button class="icon-btn" (click)="onClose(); $event.stopPropagation()" title="Close Reader">
-    <app-reader-icon name="close"></app-reader-icon>
-  </button>
+  <div class="header-right">
+    <button class="icon-btn desktop-only" (click)="onOpenNotes()" title="Notes">
+      <app-reader-icon name="note"></app-reader-icon>
+    </button>
+    <button class="icon-btn desktop-only" (click)="onToggleFullscreen()" [title]="isFullscreen ? 'Exit Fullscreen' : 'Fullscreen'">
+      <app-reader-icon [name]="isFullscreen ? 'fullscreen-exit' : 'fullscreen'" [size]="20"></app-reader-icon>
+    </button>
+    <button class="icon-btn desktop-only" (click)="onShowHelp()" title="Keyboard Shortcuts">
+      <app-reader-icon name="help" [size]="20"></app-reader-icon>
+    </button>
+    <div class="overflow-menu mobile-only">
+      <button class="icon-btn" (click)="overflowOpen = !overflowOpen; $event.stopPropagation()" title="More">
+        <app-reader-icon name="dots-vertical" [size]="20"></app-reader-icon>
+      </button>
+      @if (overflowOpen) {
+        <div class="overflow-backdrop" (click)="overflowOpen = false"></div>
+        <div class="overflow-dropdown" [style.background]="currentTheme.bg" [style.color]="currentTheme.fg">
+          <button class="overflow-item" (click)="onOpenNotes(); overflowOpen = false">
+            <app-reader-icon name="note" [size]="18"></app-reader-icon>
+            <span>Notes</span>
+          </button>
+          <button class="overflow-item" (click)="onToggleFullscreen(); overflowOpen = false">
+            <app-reader-icon [name]="isFullscreen ? 'fullscreen-exit' : 'fullscreen'" [size]="18"></app-reader-icon>
+            <span>{{ isFullscreen ? 'Exit Fullscreen' : 'Fullscreen' }}</span>
+          </button>
+          <button class="overflow-item" (click)="onShowHelp(); overflowOpen = false">
+            <app-reader-icon name="help" [size]="18"></app-reader-icon>
+            <span>Keyboard Shortcuts</span>
+          </button>
+        </div>
+      }
+    </div>
+    <button class="icon-btn" (click)="onShowControls()" title="Settings">
+      <app-reader-icon name="settings"></app-reader-icon>
+    </button>
+    <button class="icon-btn close-btn" (click)="onClose(); $event.stopPropagation()" title="Close Reader">
+      <app-reader-icon name="close"></app-reader-icon>
+    </button>
+  </div>
 </div>
diff --git a/booklore-ui/src/app/features/readers/ebook-reader/layout/header/header.component.scss b/booklore-ui/src/app/features/readers/ebook-reader/layout/header/header.component.scss
index 5e1015067..e05ebdd38 100644
--- a/booklore-ui/src/app/features/readers/ebook-reader/layout/header/header.component.scss
+++ b/booklore-ui/src/app/features/readers/ebook-reader/layout/header/header.component.scss
@@ -24,6 +24,13 @@
     transform: translateY(0);
   }
 
+  .header-left,
+  .header-right {
+    display: flex;
+    align-items: center;
+    z-index: 1;
+  }
+
   .icon-btn {
     background: none;
     border: none;
@@ -42,7 +49,7 @@
       opacity: 1;
     }
 
-    &:last-of-type {
+    &:last-child {
       margin-right: 0;
     }
 
@@ -58,6 +65,7 @@
 
   .chapter-title {
     flex: 1;
+    min-width: 0;
     text-align: center;
     font-size: 14px;
     font-weight: 500;
@@ -68,6 +76,53 @@
     overflow: hidden;
     text-overflow: ellipsis;
     min-height: 1.2em;
+    padding: 0 8px;
+  }
+
+  .mobile-only {
+    display: none;
+  }
+
+  .overflow-menu {
+    position: relative;
+  }
+
+  .overflow-backdrop {
+    position: fixed;
+    inset: 0;
+    z-index: 999;
+  }
+
+  .overflow-dropdown {
+    position: absolute;
+    top: 100%;
+    right: 0;
+    margin-top: 4px;
+    border: 1px solid rgba(0, 0, 0, 0.15);
+    border-radius: 8px;
+    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
+    z-index: 1000;
+    min-width: 180px;
+    padding: 4px;
+  }
+
+  .overflow-item {
+    display: flex;
+    align-items: center;
+    gap: 10px;
+    width: 100%;
+    padding: 8px 12px;
+    background: none;
+    border: none;
+    color: inherit;
+    font-size: 13px;
+    cursor: pointer;
+    border-radius: 6px;
+    white-space: nowrap;
+
+    &:hover {
+      background: rgba(128, 128, 128, 0.15);
+    }
   }
 }
 
@@ -79,5 +134,13 @@
       padding: 10px;
       margin-right: 2px;
     }
+
+    .desktop-only {
+      display: none;
+    }
+
+    .mobile-only {
+      display: block;
+    }
   }
 }
diff --git a/booklore-ui/src/app/features/readers/ebook-reader/layout/header/header.component.ts b/booklore-ui/src/app/features/readers/ebook-reader/layout/header/header.component.ts
index 8222a1496..447ba6fdb 100644
--- a/booklore-ui/src/app/features/readers/ebook-reader/layout/header/header.component.ts
+++ b/booklore-ui/src/app/features/readers/ebook-reader/layout/header/header.component.ts
@@ -20,6 +20,7 @@ export class ReaderHeaderComponent implements OnInit, OnDestroy {
   isVisible = false;
   isCurrentCfiBookmarked = false;
   isFullscreen = false;
+  overflowOpen = false;
 
   get bookTitle(): string {
     return this.headerService.title;