diff --git a/include/patchlevel.h b/include/patchlevel.h
index ec56f36e1..90ebed301 100644
--- a/include/patchlevel.h
+++ b/include/patchlevel.h
@@ -1,4 +1,4 @@
-/* NetHack 3.5	patchlevel.h	$NHDT-Date$  $NHDT-Branch$:$NHDT-Revision$ */
+/* NetHack 3.5	patchlevel.h	$NHDT-Date: 1429513493 2015/04/20 07:04:53 $  $NHDT-Branch: master $:$NHDT-Revision: 1.102 $ */
 /* NetHack 3.5	patchlevel.h	$Date: 2012/04/14 08:31:03 $  $Revision: 1.93 $ */
 /* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
 /* NetHack may be freely redistributed.  See license for details. */
@@ -14,7 +14,7 @@
  * Incrementing EDITLEVEL can be used to force invalidation of old bones
  * and save files.
  */
-#define EDITLEVEL	62
+#define EDITLEVEL	63
 
 #define COPYRIGHT_BANNER_A \
 "NetHack, Copyright 1985-2015"
diff --git a/include/you.h b/include/you.h
index 87291479c..a13bd108c 100644
--- a/include/you.h
+++ b/include/you.h
@@ -1,4 +1,4 @@
-/* NetHack 3.5	you.h	$NHDT-Date$  $NHDT-Branch$:$NHDT-Revision$ */
+/* NetHack 3.5	you.h	$NHDT-Date: 1429513494 2015/04/20 07:04:54 $  $NHDT-Branch: master $:$NHDT-Revision: 1.25 $ */
 /* NetHack 3.5	you.h	$Date: 2012/04/14 08:31:03 $  $Revision: 1.13 $ */
 /* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
 /* NetHack may be freely redistributed.  See license for details. */
@@ -39,12 +39,13 @@ struct u_have {
 struct u_event {
 	Bitfield(minor_oracle,1);	/* received at least 1 cheap oracle */
 	Bitfield(major_oracle,1);	/*  "  expensive oracle */
+	Bitfield(read_tribute,1);	/* read a passage from a novel */
 	Bitfield(qcalled,1);		/* called by Quest leader to do task */
 	Bitfield(qexpelled,1);		/* expelled from the Quest dungeon */
 	Bitfield(qcompleted,1);		/* successfully completed Quest task */
 	Bitfield(uheard_tune,2);	/* 1=know about, 2=heard passtune */
-	Bitfield(uopened_dbridge,1);	/* opened the drawbridge */
 
+	Bitfield(uopened_dbridge,1);	/* opened the drawbridge */
 	Bitfield(invoked,1);		/* invoked Gate to the Sanctum level */
 	Bitfield(gehennom_entered,1);	/* entered Gehennom via Valley */
 	Bitfield(uhand_of_elbereth,2);	/* became Hand of Elbereth */
diff --git a/src/spell.c b/src/spell.c
index fe0741d2f..3de41b5ec 100644
--- a/src/spell.c
+++ b/src/spell.c
@@ -1,4 +1,4 @@
-/* NetHack 3.5	spell.c	$NHDT-Date$  $NHDT-Branch$:$NHDT-Revision$ */
+/* NetHack 3.5	spell.c	$NHDT-Date: 1429513494 2015/04/20 07:04:54 $  $NHDT-Branch: master $:$NHDT-Revision: 1.57 $ */
 /* NetHack 3.5	spell.c	$Date: 2011/12/29 22:01:25 $  $Revision: 1.44 $ */
 /*	Copyright (c) M. Stephenson 1988			  */
 /* NetHack may be freely redistributed.  See license for details. */
@@ -457,6 +457,12 @@ register struct obj *spellbook;
 		    if (read_tribute("books", tribtitle, 0)) {
 		    	u.uconduct.literate++;
 		    	check_unpaid(spellbook);
+			if (!u.uevent.read_tribute) {
+			    /* give bonus of 20 xp and 4*20+0 pts */
+			    more_experienced(20, 0);
+			    newexplevel();
+			    u.uevent.read_tribute = 1;	/* only once */
+			}
 		    }
 		    return(1);
 		}