First published in English, in London, England, in 2017, as: Polly and the Puffin : The new friend.
Summary
"The time has come for Polly to go to the place she calls "Big School". It could be really fun, but it will be hard to leave her puffin friend, Neil, at home. Polly feels nervous. Who will she have adventures with if Neil's not there? And when her teacher introduces her to a new friend, things don't quite go to plan ..." -- Various websites