Note: Hubbles series, or Boffins Club series, per Wikipedia Alarico Y El Club De Los Boffins/Alarico and the Boffins' Club --book 1 and series titles from one online record (Spain: Noguer y Caralt Editores / Lectorum, 1984, ISBN 8427933592) "When Alaric and Sarah Hubble perform experiments from an old book of spells, things start to get out of hand" --description of book 1, same record In books 2 and 3, the Boffins Club uses the book of spells to visit the past and the future respectively --gleaned from newspaper reviews