Thomas has a Secret is a My First Thomas-style activity sticker book, part of the 2002 Thomas Learning Series.


Thomas refuses to leave the station, and he does not say why as it is a secret. Annie and Clarabel, his driver and fireman, and Sir Topham Hatt keep asking him why will he not go. Eventually Thomas says that there is a bird on his funnel and it asked him to keep it a secret.


“Welcome to the Steamworks, my friend!”
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