Complete Reading Order

4 Books
  1. BOOK HowardHad aSpaceship
    1

    Howard Had a Spaceship

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  2. BOOK HowardHad aSubmarine
    2

    Howard Had a Submarine

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  3. BOOK HowardHad aHot AirBalloon
    3

    Howard Had a Hot Air Balloon

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  4. BOOK HowardHad AShrinkingMachine
    4

    Howard Had A Shrinking Machine

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