diff --git a/LEGO1/lego/legoomni/include/legogamestate.h b/LEGO1/lego/legoomni/include/legogamestate.h
index dc26f8c3..d17e8e2c 100644
--- a/LEGO1/lego/legoomni/include/legogamestate.h
+++ b/LEGO1/lego/legoomni/include/legogamestate.h
@@ -131,6 +131,9 @@ class LegoGameState {
 		void WriteScoreHistory();
 		void FUN_1003ccf0(LegoFile&);
 
+		// FUNCTION: BETA10 0x1002c2b0
+		MxS16 GetCount() { return m_count; }
+
 		ScoreItem* GetScore(MxS16 p_index) { return p_index >= m_count ? NULL : &m_scores[p_index]; }
 
 		MxS16 m_count;          // 0x00
diff --git a/LEGO1/lego/legoomni/src/worlds/historybook.cpp b/LEGO1/lego/legoomni/src/worlds/historybook.cpp
index bec6764f..e9ca3b4d 100644
--- a/LEGO1/lego/legoomni/src/worlds/historybook.cpp
+++ b/LEGO1/lego/legoomni/src/worlds/historybook.cpp
@@ -21,10 +21,33 @@ HistoryBook::HistoryBook()
 	NotificationManager()->Register(this);
 }
 
-// STUB: LEGO1 0x100824d0
+// FUNCTION: LEGO1 0x100824d0
+// FUNCTION: BETA10 0x1002b63e
 HistoryBook::~HistoryBook()
 {
-	// TODO
+	for (MxS16 scoreIndex = 0; scoreIndex < GameState()->m_history.GetCount(); scoreIndex++) {
+		if (m_scores[scoreIndex]) {
+			delete m_scores[scoreIndex]->GetAction();
+			delete m_scores[scoreIndex];
+			m_scores[scoreIndex] = NULL;
+		}
+
+		for (MxS16 letterIndex = 0; letterIndex < (MxS16) sizeOfArray(m_names[0]); letterIndex++) {
+			if (m_names[scoreIndex][letterIndex]) {
+				delete m_names[scoreIndex][letterIndex]->GetAction();
+				delete m_names[scoreIndex][letterIndex];
+				m_names[scoreIndex][letterIndex] = NULL;
+			}
+		}
+	}
+
+	InputManager()->UnRegister(this);
+	if (InputManager()->GetWorld() == this) {
+		InputManager()->ClearWorld();
+	}
+
+	ControlManager()->Unregister(this);
+	NotificationManager()->Unregister(this);
 }
 
 // FUNCTION: LEGO1 0x10082610