diff --git a/stormlight.go b/stormlight.go
index 21f8aa3..3e5584a 100644
--- a/stormlight.go
+++ b/stormlight.go
@@ -103,6 +103,8 @@ var stormlight []Book = []Book{
 
 func getBookWithTimestamp(timeRemaining time.Duration) (string, time.Duration) {
 	timeRemaining = time.Duration(timeRemaining.Hours()/24) * 45 * time.Minute
+
+	stormlight := slices.Clone(stormlight)
 	slices.Reverse(stormlight)
 
 	for _, book := range stormlight {