Marco's Millions Series by William Sleator

3.82 · 23 ratings
  • Marco's Millions (Marco's Millions #1)
    #1

    Marco's Millions (Marco's Millions #1)

    William Sleator

    Rated: 3.88 of 5 stars
    · 8 ratings · published 2001

    When Marco's shy and fragile little sister, Lilly, tells him about the strange lights in the basement, he thinks she's imagining things. But Marco is curious, and before long he investigates. He finds a passage into a strange world, where he meets insect-like creatures who seem to know all about Lilly. They believe she is special and beg Marco to bring her to them so that she can embark on a dangerous quest to save their world from ruin... more

  • The Boxes (Marco's Millions #2)
    #2

    The Boxes (Marco's Millions #2)

    William Sleator

    Rated: 3.79 of 5 stars
    · 15 ratings · published 1998

    Orphan Anne Levi tolerates her distant Aunt Ruth, with whom she lives, but adores her mysterious Uncle Marco, who flits in and out of their lives at irregular intervals. When he gives Anne two unusual boxes with strict instructions not to open them, curiosity gets the better of her... more

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