class PluginBooks_ModuleBook extends Module {
    protected $oMapper;

    public function Init() {
        $this->oMapper = Engine::GetMapper(__CLASS__);
    }

    public function GetBooks($catalogId, $limit = 10) {
        return $this->oMapper->GetBooks($catalogId, $limit);
    }

    public function AddBook($oBook) {
        return $this->oMapper->AddBook($oBook);
    }

    public function GetCategories($catalogId) {
        return $this->oMapper->GetCategories($catalogId);
    }
}
Модуль не найден!