Searise: Book 3: The SeaBEAN Trilogy by Sarah Holding
In the thrilling final part of The SeaBEAN Trilogy, Alice and her five classmates are - for reasons they have yet to discover - abducted to 2118 in the C-Bean, their time-travel device, only to find the world is a difficult and alienating place. How will they survive their terrifying ordeal? Who can help them figure out a way to get back to their own time? Will they escape before their captor Commander Hadron catches up with them? Who is he anyway and what's his connection to the mysterious Dr Foster? Unsettled by the devastation they find everywhere in the future and armed with new knowledge about the C-Bean's ultimate purpose, Alice and Co scour the planet, confronting many challenges in pursuit of answers to their questions. But can they figure out a way to restore the Earth's delicate ecological balance for good?