Shipwreck Island, Book 1:
Sarah Robinson is deeply troubled in the wake of her dad's second marriage. She now has to deal with a new stepmom and two stepbrothers, Marco, who is her age, and Nacho, who's younger. Even though they've all moved from Texas to California to start life as a new, blended family, none of the kids seem remotely happy about it.
Sarah's dad and stepmom then decide to take the whole family on a special vacation

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It's up to Sarah Robinson to save her shipwrecked family from a time-traveling "curator" of souls and a treasure-hunting criminal in Book 3 of the Shipwreck Island series.
Sarah Robinson and her family are shipwrecked on a remote and mysterious island. Their food is scarce and there's no sign of rescue. They have seen strange creatures, rescued a mysterious girl, and found The Curator, who has captured Sarah's father and stepbrother to use in a...