Since publishing the Perspectives Collection we have found the following errata (relevant for first edition of book, corrected in second edition):

Pityoulish Vest

Corrected measurements for Total Length in table on page 45:

 12345678 
C: Total length525252.553535353.553.5cm
C: Total Length20.520.520.7521212121.2521.25in

Correction on page 43:

Front Yoke

Row 1: With RS facing and using smaller needles, pick up and knitā€¦..

For clarity on p44:

Text to right of Lace Chart refers to knitting in the round after joining. When working rows, before joining to knit in the round, Row 2 is Purl to end. The vest is knit in Stocking Stitch throughout.

Inshriach Hat

Before working Setup Round, change to larger needles.

Size 1 only:

Setup round: Using larger needles, *pmA, [k5, m1] x 2, pmA, continue as pattern

Size 2 only:

Setup round: Using larger needles, *pmA, [k5, m1] x 2, pmA, continue as pattern

Size 3 only:

Setup round: using larger needles, *pmA, [k5, m1] x 2, pmA, continue as pattern

All sizes:

Instructions – Using smaller needles and CC, cast on 100 (110,120) sts using the tubular cast-on, or your preferred stretchy method.

For clarity:

MC: is the highlight colour – undyed Haar in the two Perspectives samples

CC: is the main background colour – Indigo and Raspberry/Damson/Pearl in the two Perspectives samples