The Nag Club  (English, Paperback, Fine Anne)

Boggle hats are the latest craze. Everybody at school wants one - but only Lola has one. So she decides to form a club to show the other children how best to nag their parents into buying them one. Tactics range from the Huffy Nag to the Blazing Tantrum. However, the children soon discover that the best way of all is to just be pleasant and say please - or even to earn some money and buy one for themselves!