Contents
Array ( [_last_editor_used_jetpack] => Array ( [0] => classic-editor ) [_edit_lock] => Array ( [0] => 1635454939:1 ) [_edit_last] => Array ( [0] => 1 ) [subtitle] => Array ( [0] => Two volumes in one ) [ASIN] => Array ( [0] => 0306812029 ) [shop] => Array ( [0] => "32392"|2020-12-09|£16.98 ) [ISBN] => Array ( [0] => 9780306812026 ) [site-sidebar-layout] => Array ( [0] => default ) [site-content-layout] => Array ( [0] => default ) [theme-transparent-header-meta] => Array ( [0] => default ) [stick-header-meta] => Array ( [0] => default ) [_thumbnail_id] => Array ( [0] => 35717 ) )