- correctly quote search query

- do not set unnecessary params

Lib/Search/BookSearch.php

@@ -35,9 +35,6 @@ class BookSearch
         // most options like search fields, sorting, etc are already set
         // as default in the Solr config and thus should be set only on a
         // per request basis when needed
-
-        $this->query->addField('*');
-        $this->query->addParam('q.op', 'AND');
     }
 
     public function addOrQuery(array $texts, $field)
@@ -55,11 +52,13 @@ class BookSearch
             $queryText = \SolrUtils::escapeQueryChars($queryText);
         }
 
+        $queryText = "\"$queryText\"";
+
         if (strlen($queryField) > 0) {
-            $queryText = "$queryField:\"$queryText\"";
+            $queryText = "$queryField:$queryText";
         }
 
-        $this->queryParts[] = $queryText;
+        $this->queryParts[] = "$queryText";
     }
 
     public function addSortField($field, $order = \SolrQuery::ORDER_DESC)