diff --git a/Sources/HTMLKitDOMExceptions.m b/Sources/HTMLKitDOMExceptions.m
index 1a596a3..5ea8311 100644
--- a/Sources/HTMLKitDOMExceptions.m
+++ b/Sources/HTMLKitDOMExceptions.m
@@ -16,3 +16,4 @@ NSString * const HTMLKitSyntaxError = @"SyntaxError";
 NSString * const HTMLKitInvalidCharacterError = @"InvalidCharacterError";
 NSString * const HTMLKitInvalidNodeTypeError = @"InvalidNodeTypeError";
 NSString * const HTMLKitIndexSizeError = @"IndexSizeError";
+NSString * const HTMLKitWrongDocumentError = @"WrongDocumentError";
diff --git a/Sources/HTMLRange.m b/Sources/HTMLRange.m
index 847f9ef..ae90172 100644
--- a/Sources/HTMLRange.m
+++ b/Sources/HTMLRange.m
@@ -65,6 +65,15 @@ NS_INLINE void CheckValidBoundaryOffset(HTMLNode *node, NSUInteger offset, NSStr
 	}
 }
 
+NS_INLINE void CheckValidDocument(HTMLRange *lhs, HTMLRange *rhs, NSString *cmd)
+{
+	if (lhs.rootNode != rhs.rootNode) {
+		[NSException raise:HTMLKitWrongDocumentError
+					format:@"%@: Wrong Document Error, ranges %@ and %@ have different roots.",
+		 cmd, lhs, rhs];
+	}
+}
+
 NS_INLINE NSComparisonResult CompareBoundaries(HTMLNode *startNode, NSUInteger startOffset, HTMLNode *endNode, NSUInteger endOffset)
 {
 	if (startNode == endNode) {
@@ -173,6 +182,23 @@ NS_INLINE NSComparisonResult CompareBoundaries(HTMLNode *startNode, NSUInteger s
 	[self setStartNode:_endContainer startOffset:_endOffset];
 }
 
+- (void)selectNode:(HTMLNode *)node
+{
+	HTMLNode *parent = node.parentNode;
+	CheckValidBoundaryNode(parent, NSStringFromSelector(_cmd));
+
+	[self setStartNode:parent startOffset:node.index];
+	[self setEndNode:parent endOffset:node.index + 1];
+}
+
+- (void)selectNodeContents:(HTMLNode *)node
+{
+	CheckValidBoundaryNode(node, NSStringFromSelector(_cmd));
+
+	[self setStartNode:node startOffset:0];
+	[self setEndNode:node endOffset:node.length];
+}
+
 - (NSComparisonResult)compareBoundaryPoints:(HTMLRangeComparisonMethod)method sourceRange:(HTMLRange *)sourceRange
 {
 	CheckValidDocument(self, sourceRange, NSStringFromSelector(_cmd));
diff --git a/Sources/include/HTMLKitDOMExceptions.h b/Sources/include/HTMLKitDOMExceptions.h
index f11518c..5b13fae 100644
--- a/Sources/include/HTMLKitDOMExceptions.h
+++ b/Sources/include/HTMLKitDOMExceptions.h
@@ -17,3 +17,4 @@ extern NSString * const HTMLKitInvalidCharacterError;
 
 extern NSString * const HTMLKitInvalidNodeTypeError;
 extern NSString * const HTMLKitIndexSizeError;
+extern NSString * const HTMLKitWrongDocumentError;