Richard Ferber

Touchstone

Solve Your Child's Sleep Problems: New, Revised, and Expanded Edition

Vermilion

Solve Your Child's Sleep Problems                

Medici

Solucione los problemas de sueño de su hijo      

Random House Books for Young Readers

Solve Your Child's Sleep Problems                

Touchstone

Como Evitar el Insomnio Infantil (Solve Your Child's Sleep Problems)

Hassell Street Press

Secret of the Malpais                            

ESF Editeur

Protégez le sommeil de votre enfant              

Editions Trobisch

Schlaf, Kindlein, schlaf                        

Solve Your Child's Sleep Problems by Richard Ferber (1986-04-17)

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