999 Riddles and Brain Teasersde Jenny JacobsEdiciones (1)999 Riddles and Brain Teasers (2020)Humour · ISBN 9781989777800Más obras de Jenny JacobsLove by DesignInclusive Collegiality and Non-Tenure Track FacultyCChallenging Riddles for Smart KidsChallenging Riddles for Smart Kids