Egmont, London, 1999, 1^st pr thus.  ISBN 0-7497-3888-X.  Trade soft cover, 120 pages.  Unread copy; wraps show some edge and cover wear, light creases; tight binding.  Interior clean and unmarked with black & white illustrations.  Free detective kit still in sealed envelope affixed to inside rear wrap.  ‘Patrick, Lizzie and Luke solve exciting mysteries.  Come and join the Team!  In a sinister forest, the Tiger Team see a UFO!   Shocked, they watch as mysterious beings materialize in the glow beneath the spaceship and then almost immediately disappear.  Now the Tiger Team is in terrible danger.  They know too much and a few weeks later, the aliens are back to find them…’ (from rear wrap)