Mayday! Mayday! In Book 3 of the Wind Riders series, the magical boat takes Sofia and Max to the coast of Scotland, where they meet some very curious harbor seals. But when the kids discover an oil spill, it's all hands on deck to try to contain it—before it can harm the seals! Written under the seaworthy pen name "Jen Marlin."

Max and Sofia are at it again! In Book 4 of the Wind Riders series, the magical boat takes Sofia and Max to Iceland, where they spot beluga whales and discover a puffin nesting site. Can they clean up the plastic waste that's threatening their new animal friends? Written under the seaworthy pen name "Jen Marlin."

Life is full of tough stuff—from bullying to body image issues, friendship stress to family struggles, panic attacks to pandemics. This book shows girls how to get through tricky times and bounce back from disappointments. Includes quotes from smart, resilient girls.