On page 426, line 10 from below: 
   the root discriminant is 2^(67/36)3^(3/2) rather than 2^(67/35)3^(3/2)
On page 430, line 5 from below:  outside $\overline{\pi}$ should be
   at $\overline{\pi}$.
On page 440. the proof of Prop.5.3. The abelian variety in line 8
   from below  should NOT be  A^{dual}/G_1^{\vee}, but rather
   A^{dual}/G' where G' = ker(A[2^n]^{\vee} ---> G_1^{\vee})
On page 443. line +7. Roman L should be script L.