Sea Otter Sunrise (Paperback)

At the crack of dawn, the magic tree house whirls Jack and Annie off to Monterey Bay, California. Their task? To gather sea urchins from the underwater kelp forests! But they're new to this, and the grumpy boat captain isn't making it any easier. When Annie discovers an injured sea otter, they face a tough choice helping it is against the rules, but their hearts say otherwise. Can they persuade the cantankerous captain to lend a hand?