diff --git a/lib/workbook.js b/lib/workbook.js
index 50d32d0..44aa418 100644
--- a/lib/workbook.js
+++ b/lib/workbook.js
@@ -46,6 +46,7 @@ function XlsxStreamReaderWorkBook (options) {
       value: {
         sheetRelationships: {},
         sheetRelationshipsNames: {},
+        sheetRelationshipsStates: {},
         date1904: false
       },
       writable: true,
@@ -345,6 +346,7 @@ XlsxStreamReaderWorkBook.prototype._parseWorkBookInfo = function (nodeData) {
   nodeData.forEach(function (data) {
     if (data.name === 'sheet') {
       self.workBookInfo.sheetRelationshipsNames[data.attributes['r:id']] = data.attributes.name
+      self.workBookInfo.sheetRelationshipsStates[data.attributes['r:id']] = data.attributes.state || 'visible'
     } else if (data.name === 'workbookPr' && data.attributes && data.attributes.date1904 === '1') {
       self.workBookInfo.date1904 = true
     }