diff --git a/db.c b/db.c
index 8b8e977..89290c3 100644
--- a/db.c
+++ b/db.c
@@ -80,6 +80,20 @@ db_book_adv_free(BookAdv *p)
   free(p);
 }
 
+static void
+db_book_fill(Book *book, struct ksqlstmt *stmt)
+{
+  book->id = ksql_stmt_int(stmt, 0);
+  book->title = kstrdup(ksql_stmt_str(stmt, 1));
+  if ( ksql_stmt_isnull(stmt, 4) ) {
+    book->s.id = -1;
+  } else {
+    book->s_idx = ksql_stmt_double(stmt, 2);
+    book->s.name = kstrdup(ksql_stmt_str(stmt, 3));
+    book->s.id = ksql_stmt_int(stmt, 4);
+  }
+}
+
 int
 db_books_load(struct kreq *r, BookAdv **books, int limit)
 {
@@ -94,15 +108,7 @@ db_books_load(struct kreq *r, BookAdv **books, int limit)
   ksql_bind_int(stmt, 0, limit);
   while (KSQL_ROW == ksql_stmt_step(stmt)) {
     books[i] = kcalloc(1, sizeof(BookAdv));
-    books[i]->b.id = ksql_stmt_int(stmt, 0);
-    books[i]->b.title = kstrdup(ksql_stmt_str(stmt, 1));
-    if ( ksql_stmt_isnull(stmt, 4) ) {
-      books[i]->b.s.id = -1;
-    } else {
-      books[i]->b.s_idx = ksql_stmt_double(stmt, 2);
-      books[i]->b.s.name = kstrdup(ksql_stmt_str(stmt, 3));
-      books[i]->b.s.id = ksql_stmt_int(stmt, 4);
-    }
+    db_book_fill(&books[i]->b,stmt);
     i++;
   }
   ksql_stmt_free(stmt);
@@ -124,15 +130,7 @@ db_book_load(struct kreq *r, int64_t id)
     return(NULL);
   }
   book = kcalloc(1, sizeof(Book));
-  book->id = ksql_stmt_int(stmt, 0);
-  book->title = kstrdup(ksql_stmt_str(stmt, 1));
-  if ( ksql_stmt_isnull(stmt, 4) ) {
-    book->s.id = -1;
-  } else {
-    book->s_idx = ksql_stmt_double(stmt, 2);
-    book->s.name = kstrdup(ksql_stmt_str(stmt, 3));
-    book->s.id = ksql_stmt_int(stmt, 4);
-  }
+  db_book_fill(book, stmt);
   ksql_stmt_free(stmt);
   return book;
 }