diff --git a/col.go b/col.go
index 371af91..fa9e02f 100644
--- a/col.go
+++ b/col.go
@@ -4,6 +4,7 @@ import (
 	"fmt"
 	"math"
 	"strconv"
+	"strings"
 
 	"time"
 
@@ -53,12 +54,18 @@ func (xf *XfRk) String(wb *WorkBook) string {
 		fNo := wb.Xfs[idx].formatNo()
 		if fNo >= 164 { // user defined format
 			if formatter := wb.Formats[fNo]; formatter != nil {
-				i, f, isFloat := xf.Rk.number()
-				if !isFloat {
-					f = float64(i)
+				if (strings.Contains(formatter.str, "#") || strings.Contains(formatter.str, ".00")){
+					//If format contains # or .00 then this is a number
+					return xf.Rk.String()					
+				}else{
+					i, f, isFloat := xf.Rk.number()
+					if !isFloat {
+						f = float64(i)
+					}
+					t := timeFromExcelTime(f, wb.dateMode == 1)
+
+					return yymmdd.Format(t, formatter.str)
 				}
-				t := timeFromExcelTime(f, wb.dateMode == 1)
-				return yymmdd.Format(t, formatter.str)
 			}
 			// see http://www.openoffice.org/sc/excelfileformat.pdf Page #174
 		} else if 14 <= fNo && fNo <= 17 || fNo == 22 || 27 <= fNo && fNo <= 36 || 50 <= fNo && fNo <= 58 { // jp. date format
diff --git a/workbook.go b/workbook.go
index b0aa076..fd655e5 100644
--- a/workbook.go
+++ b/workbook.go
@@ -6,6 +6,7 @@ import (
 	"io"
 	"os"
 	"unicode/utf16"
+	"golang.org/x/text/encoding/charmap"
 )
 
 //xls workbook type
@@ -160,12 +161,17 @@ func (wb *WorkBook) parseBof(buf io.ReadSeeker, b *bof, pre *bof, offset_pre int
 	}
 	return
 }
-
+func decodeWindows1251(enc []byte) string {
+    dec := charmap.Windows1251.NewDecoder()
+    out, _ := dec.Bytes(enc)
+    return string(out)
+}
 func (w *WorkBook) get_string(buf io.ReadSeeker, size uint16) (res string, err error) {
 	if w.Is5ver {
 		var bts = make([]byte, size)
 		_, err = buf.Read(bts)
-		res = string(bts)
+		res = decodeWindows1251(bts)
+		//res = string(bts)
 	} else {
 		var richtext_num = uint16(0)
 		var phonetic_size = uint32(0)
diff --git a/xls.go b/xls.go
index 7979cb9..158d749 100644
--- a/xls.go
+++ b/xls.go
@@ -37,7 +37,10 @@ func OpenReader(reader io.ReadSeeker, charset string) (wb *WorkBook, err error)
 			for _, file := range dir {
 				name := file.Name()
 				if name == "Workbook" {
-					book = file
+					if book == nil {
+						book = file
+					}
+					//book = file
 					// break
 				}
 				if name == "Book" {