diff --git a/src/BookSearch/BookSearch.php b/src/BookSearch/BookSearch.php
index 98a7045..fed3e00 100644
--- a/src/BookSearch/BookSearch.php
+++ b/src/BookSearch/BookSearch.php
@@ -304,6 +304,19 @@ class BookSearch
         return $books;
     }
 
+    /**
+     *
+     * it is faster to do multiple small request to Solr rather than one big so
+     * check self::getBooks(array $codes, $field = 'code') for a chunked request
+     * in chunks if we are above the limit. 15 was found by testing and seems to be a sweet spot
+     */
+    public static function getBooksFull(array $codes, $field = 'code') {
+        $bs = self::getLastInstance();
+        $bs->addOrQuery($codes, $field);
+        $results = $bs->getResults(0, count($codes));
+        return $results['books'];
+    }
+
     public static function getTerms($field) {
         $s = self::getLastInstance();
         $s->addFilterQuery(1, 'visible');