Lola je s reálne, reálne excited o hľadaní po škole guinea pig, Bert. Lola loves playing with Bert, a she a Charlie ešte budova him jeho veľmi own guinea-pig run! Ale keď Bert goes missing, Lola soon discovers that she knows something o Bert that no one else has even thought of . . . A completely special Charlie and Lola story, teraz available in paperback.