Rebecca and the Flying Horse Problem

It should have been a peaceful night. Instead, something attacked Sally the horse under the full moon, leaving deep wounds and no tracks behind.

When Sally gives birth to a strange little filly named Saturday, Rebecca suspects something magical is at work. She is right. Saturday is no ordinary foal. She talks. She climbs trees with hidden claws. And hidden beneath her oversized shoulders are wings waiting to unfurl.

But with wonder comes danger. A black flying horse with glowing red eyes is h...