[E-book pdf]:
[tabs]
[tab title="CLLR_1.1 Off to School"]
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[tab title="CLLR_1.2 I Help"]
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[tab title="CLLR_1.3 Families"]
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[tab title="CLLR_1.4 Who Helps"]
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[tab title="CLLR_1.5 Animals Work and Play"]
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[tab title="CLLR_1.6 Machines Help"]
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[/tabs]
