کودکان واگن، حیوانات در خطر. جلد ۲، معمای پلنگ خال‌خال

The Aldens join in the effort to save a species of big cat. After helping clean up an oil spill in Connecticut, the Aldens are heading to a much cooler climate, where scientists are working to conserve the snow leopard population. With only hundreds left in the world, the Aldens know each animal is important. Can the Aldens do their part to help save this elusive and important animal? The Aldens head to Ladakh, a territory in northern India, to help save the elusive and critically endangered snow leopard.