After reading of the doings of Dick & Co. in the “Grammar School Boys Series,” our readers again followed them, through the events recorded in the four volumes of the “High School Boys Series”.  Here their really brilliant work Boys Series athletes was stirringly chronicled, as along with scores of non-athletic adventures that befell them.

At the close of the high school course Dick Prescott and Greg Holmes secured appointments as cadets at the United States Military Academy at West Point.  All that befell them there is duly set forth in the “West Point Series.”  Dave Darrin and Dan Dalzell were fortunate enough to secure appointments as midshipmen in the United States Naval Academy at Annapolis, and their doings there are set forth in the “Annapolis Series.”

Tom Reade and Harry Hazelton, on the other hand, had felt no call to military glory.  For their work in life they longed to become part of the great constructive force wielded by modern civil engineers.  During the latter part of their high school work they had studied hard with ambition to become surveyors and civil engineers.  In their school vacations they had sought training and experience in the offices of an engineering firm in their home town of Gridley.  After being graduated from the Gridley High School, Tom and Harry had done more work in the same offices.  Then, in a sudden desire for advancement, and possessed by the longing for a wider field of endeavor, Tom Reade and Harry Hazelton had secured positions as “cub engineers” on the construction work that was being done to rush a new railway, system over the Rocky Mountains in Colorado.  The stern, hard work that lay before them, the many adventures in a rough wilderness, and the chain of circumstances that at last placed Tom Reade in charge of the railroad building, with Harry as first assistant engineer, are all told in the first volume of this present series, “The Young Engineers In Colorado.”

That great feat finished satisfactorily, the ambition of our young engineers led them further afield, as told in “The Young Engineers in Arizona.”  A great, man-killing quicksand had to be filled in and effectively stopped from shifting.  Reade & Hazelton undertook the task.  Incidentally Tom came into serious, dangerous conflict with gamblers and other human birds-of-prey, who had heretofore fattened on the earnings of the railway laborers.  It was a tremendously exciting time that the young engineers had in Arizona, but they at last got away with their lives and were at the same time immensely successful in their undertaking.